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/sci/ - Science & Math


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9398488 No.9398488 [Reply] [Original]

Why do people believe that interstellar travel is a possibility given humanity's current aptitude in physics? Where we are absolutely proves that there is no possible way of traveling with such distances without bringing in /x/-tier stuff. Why do media outlets that are supposed to be factual, preach to people that solar system domination is just within our reach? Is it political? In my personal opinion, research in space should be centered around keeping earth safe from a cataclysmic event like an asteroid strike, not putting an outpost on an inhospitable planet when we are really not ready for something like that.

>> No.9398508

>>9398488
>Why do media outlets that are supposed to be factual, preach to people that solar system domination is just within our reach? Is it political?
So they can sell / make brainlets read their shitty news.

>> No.9398510

>>9398488
Brainlet here. I thought space curvature is a thing? Couldn't we use that to our advantage?

>> No.9398515

>>9398510
maybe in 1000 years of technological advancement.

>> No.9398561

>>9398488
Dank shitpost friend, I like how you pointedly ignored all technological development done in the past 40 years

>> No.9398620

>>9398510
>space curvature
How much energy would it take to accomplish such a thing? Say you wanted to take a vessel about the size of a space shuttle over to Proxima Centauri. You should think about that a little harder.

>> No.9398810

>>9398510
Space curvature is not a thing.
http://www.kevinaylward.co.uk/qm/ModelsOfPhysics-Mermin.pdf

>> No.9398815

>>9398488
We will hold land throughout the solar system within our lifetimes

>> No.9398818

>>9398815
based on?

>> No.9398823
File: 42 KB, 736x579, 5fe27e53847ffb636e771bc132e90fba-the-human-brain-the-brain.jpg [View same] [iqdb] [saucenao] [google]
9398823

>>9398818

>> No.9398825

>>9398515
the media don't say it's gonna be tomorrow.

>>9398620
i don't have enough knowledge about physics to play around with actual numbers. i don't know how much energy that is. but while bending the whole space between that star and ours might be energetically impossible, it could be possible to bend it just a little. you know, star trek-like. so you can at least exceed the speed of light for an obverser

>>9398810
i don't quite understand how that article proves this

>> No.9398855

>>9398488
Because it demonstrably is re asteroids.
> Where we are absolutely proves that there is no possible way of traveling with such distances without bringing in /x/-tier stuff.
No it doesnt, build biosphere stick it behind a shield and attach a solar sail.

You know literally nothing about any of the dozens of relevant fields, stop spreading your retarded opinions.

>> No.9398857

>>9398810
You must have a better working theory to explain gravity then? Oh you dont? Then youre retarded.

>> No.9398882

>>9398857
You gonna need to read that article one more time.

>> No.9398898

>>9398510
>>9398810
Space curvature is a thing if light curves around black holes or any significant density anomaly, or if light has a speed limit.

>> No.9398903

>>9398488

A man can dream, can he not?

>> No.9398939

>>9398488
Why do people believe we are made of tiny balls
given humanity's current aptitude in physics?

Why do humans believe we are made of tiny jelly things given humanity's current aptitude in physics?

Why do people believe that the sun isnt a giant ball of fire given humanity's current aptitude in physics?

Why do people believe that there is another landmass on the otherside of the globegiven humanity's current aptitude in physics?

Why do people believe that giant metal birds can flygiven humanity's current aptitude in physics?

Humans dont know everything, and there is still absolute proof of Einstein's crap since we havent tried accelerating matter to near the speed of light.

>> No.9399268

>>9398488
>proves that there is no possible way of traveling with such distances
>given humanity's current aptitude in physics


I find your lack of faith disturbing.

>> No.9399282

>>9398515

Or maybe tomorrow. We just found a cure for tooth decay when we were looking for a cure for Alzheimer's

https://www.weforum.org/agenda/2017/10/scientists-have-found-a-drug-that-can-repair-cavities-and-regrow-teeth

>> No.9399292

>>9398939
>we havent tried accelerating matter to near the speed of light.
i hope this is part of the joke

>> No.9399301

>>9398939
We HAVE tried accelerating matter to near the speed of light. Happens daily in Europe.
Einstein was right.
In fact, clocks are so good today that time dilation can be measured even at the speed of a man jogging.

We certainly don't know EVERYTHING, but we know SOME THINGS which I don't expect to ever be overthrown.
Interstellar flight is possible -- but it'll be slow, expensive, and likely nothing like Star Trek or Star Wars.

>> No.9399319
File: 69 KB, 736x669, space-exploration-vector-design.jpg [View same] [iqdb] [saucenao] [google]
9399319

>>9399301
>nothing like Star Trek

>> No.9399346

>>9399319
Right.
"Give me a lever and a place to stand and I will move the world!" has been replaced by
"Give me a stupendous amount of negative mass/energy (if such exists) and I will travel faster than light!"

>> No.9399365

>>9399346

The point is it's possible. When it's possible, it will without a doubt be a thing in the future.

>> No.9399394

>>9399365
1. You haven't shown it's possible. Negative mass may not exist. The universe wasn't designed for human's convenience.
2. Even when things are possible, that doesn't mean they'll be done. Duplicating the Great Pyramid would be only a medium size engineering job today. But who would want an artificial mountain for a tomb?
Human-powered flight is possible and has been done. Not a big market for it though.

>> No.9399400

>>9398488
>Why do people believe that intercontinental travel is a possibility given humanity's current aptitude in oceanic navigation? Where we are absolutely proves that there is no possible way of traveling with such distances without bringing in /x/-tier stuff. Why do media outlets that are supposed to be factual, preach to people that planetary domination is just within our reach? Is it political? In my personal opinion, research in the ocean should be centered around keeping Europe safe from a cataclysmic event like a big wave, not putting an outpost on an inhospitable continent when we are really not ready for something like that.

>> No.9399404

>>9399394
>the universe wasn't designed for human's convenience
we don't know that, after all if the strong nuclear force were 2% stronger [math]^2_2He[/math] would be stable, potentially fucking up nuclear fusion and ridding the universe of it.

>> No.9399410
File: 277 KB, 1348x1086, Solution to the fermi paradox.png [View same] [iqdb] [saucenao] [google]
9399410

>>9399400
this infinitely many times over

>> No.9399445

>>9399410
>the solution to the fermi paradox is to be a spineless cuck and hide away in a box
you can stay in your shed, I'm going to claim glory in the heavens

>> No.9399451

>>9399365
it isn't possible though, you fucking retard
Negative mass and energy do not exist, thus they cannot be used to make magical time breaking FTL drives

>> No.9399460

>>9399400
The barrier to intercontinental travel was going as fast as the wind could push you. The barrier to interstellar travel is the laws of physics.

>> No.9399471

>>9399410
This was retarded but honestly pretty entertaining to read

>> No.9399499

>>9398488
I think most of it stems from the galactic-civilization trope of scifi. Interstellar travel is absolutely a desired ability if it is even slightly feasible, and there's no real reason to rule it out per modern physics. It is absolutely a ridiculous, near insurmountable technological challenge, but 300 years ago, so flight through our own skies.

General relativity admits many peculiar things which may be of help in achieving this goal, but to be honest, those solutions aren't really understood all too well. This is especially interesting in the light of a quantum theory of gravity. Humans have become very good at manipulating individual atoms, but not so much at manipulating objects of solar mass or greater. So classical solutions to the Einstein field equations can't really be engineered [citation needed], but who's to say that the same is really true of quantum solutions?

If you look at the ways people 500 years ago thought we'd be getting around, it's all quite ridiculous, so speculation about the year 2518 or even beyond is probably wildly inaccurate. If interstellar travel is feasible, somebody needs to imagine how it might work first, lest we have no starting point.


>>9399394
>Negative mass may not exist
Negative mass is not a concept in physics. Negative energy density is a thing, but mass is a distinctly non-negative quantity.

>>9399404
>if the strong nuclear force were 2% stronger Helium-2 would be stable
I'm gonna need your source for that one.

>>9399451
>Negative mass and energy do not exist
The potential energy of ground state hydrogen is negative. So is the energy density of the Higgs field in the standard model. The accelerating expansion of the universe is consistent with a constant negative pressure proportional to the energy density of empty space.

>> No.9399689

>>9399499
Negative mass IS a concept in physics and is related to negative energy density.
https://en.wikipedia.org/wiki/Negative_mass
It would have most peculiar properties.
All objects, regardless of mass-sign, fall "down" in a normal gravity field. To do otherwise would violate the Equivalence Principle.
All objects, regardless of mass-sign, fall "up" in the field surrounding a negative mass object.
Hence, a matched pair of positive and negative masses would accelerate indefinitely. Their net kinetic energy and momentum would remain unchanged.

I am not arguing for its existence. In fact, I consider it most unlikely. But physicists have considered the possibility.

The "negative energy" ground state is a sign convention. The gravitational potential energy of a baseball sitting on the ground is also negative. If there is an attractive force between objects, zero potential energy means they are separated by an infinite distance. It's an arbitrary definition, but it simplifies the arithmetic. A falling object is "gaining" negative potential energy at the same rate it's gaining positive kinetic energy. But that sort of potential energy doesn't "bend space" the other way.

>> No.9399749

>>9398488
The funniest thing about it all is that even if the theoretical methods for FTL, or FTL-like travel were possible, the amount of energy required would cause immense destruction upon your destination, that they would serve better use as a weapon, not as a method for travel.

>> No.9400116
File: 94 KB, 682x832, capture.png [View same] [iqdb] [saucenao] [google]
9400116

>>9399689
You reminded me of the work of Morton Spears.

>> No.9400128

>>9398488

Interstellar exploration is a possibility. I'm just in favour of sending unmanned probes and satellites to nearby star systems. Sure it will take years and year for the data to get back but it will be exciting. I think we are at least 100-200 years if not more from launching a manned interstellar mission though. Then again, if we absolutely had to launch one now in order to save the human species from some kind of extinction event, who is to know what sort of classified technology the government has which could make this more feasible?

>> No.9401709

>>9398488
Nobody believes that it's currently possible, but if you think that it'll never be possible you're fucking retarded.
Given enough time, humanity will do it.

>> No.9401729

>>9398488
I bet we could do interstellar travel if people
spent their lives in spaceships and had children
while traveling.

>> No.9401768
File: 5 KB, 220x209, 220px-Hugieia-pentagram.svg[1].png [View same] [iqdb] [saucenao] [google]
9401768

>>9398488
>Why do people believe that interstellar travel is a possibility given humanity's current aptitude in physics? Where we are absolutely proves that there is no possible way of traveling with such distances without bringing in /x/-tier stuff.

Unfortunately I understand how you feel about getting into the x-tier stuff, but understand that to understand the universe we must first understand how it works. Science had brought us a great distance in figuring out this question, but we have to rely on the metaphysical aspect of things when it comes to how the universe works.

People have forgotten that meta-physics and physics are the essentially the same thing. They both rely on observations, the math behind it is simply based on recordings AFTER said even happens. We as a whole have been given a scenario in which we can't actually see things for what they are, even with machines we can only see so much. We smash bits of inertia together in giant magnetic fields hoping that they'll hit each other the right way to find a result that we hypothesize, all while overlooking the very method we use to smash said particles in the first place.

Our imaginations and dis infoalso get the best of us. We have illogical notions that the universe could be a simulation, or that there's 12 or so "dimensions", or that something somehow came from nothing and will return to nothing for no reason (bigbang/heatdeath). All of these are backed with "math" which may be true, but so what. Math is simply a language, made by humans. The universe is incommensurable, perhaps if we worked like it more instead of using our tech on improving iphones and VR videogames.

On, off, on, off. That is all these devices do. The universe does not turn "on and off".

>> No.9401774

>>9400116
I had to look up Spears.
Sounds like a crackpot.

On the other hand, negative mass is a real CONCEPT which is (maybe) allowed by what we know of physics.
https://en.wikipedia.org/wiki/Negative_mass
I don't know of anyone who serious expects to find it REALLY exists.

>>9401709
There's a current thread on /sci/ with a picture of a guy who used to head Lockheed's "skunk works". HE claims we know all about anti-gravity and FTL travel and all that. But the Government has suppressed it all.

If that's an accurate quote of what he said, I'd say he's bonkers. But it's an exaggeration to say "nobody believes". You can always find SOMEBODY hanging out with the flat-Earthers here.
I believe Interstellar flights WILL occur someday (if we don't do something stupid in the meantime) but it's centuries away and will be slower-than-light.

>> No.9402108

>>9399471
youre retarded lmao lemme see dem credentials

>> No.9402236

>>9401729
We could but we'd have to do an unmanned prove to the destination first because we'll never be able to tell if a planet X lightyears is habitable just by observing it from Earth. Imagine sending a generation ship on a several hundred year journey and then they arrive at an inhospital rock. Would be nightmarish.

>> No.9402739

>>9399460
then we said fuck the wind and invented the steam engine

>> No.9402759

We just need to shrink space by building space roads.

Ancaps lose again.

>> No.9402798

>>9402236
See Larry NIven's "Known Space" series.
The unmanned probes were set to look for "a habitable point". Then Earth followed up with a (much slower) colony ship.
Plateau was colonized -- a single outcrop the size of California, sticking up out of a Venus-thick atmosphere.
Jinx was colonized -- a moon distorted by tidal forces into an egg-shape. The ends are in vacuum and the air is too thick at the equator, leaving two narrow habitable bands.
And so on.

>> No.9403101

>>9402236
>>9402798
Do you guys think it would be possible to save
everyone on the ship using Cryogenics?

>> No.9403160

>>9403101
In the Niven stories, all the colonists WERE in cold sleep.
But the ships had only enough fuel for the one-way trip. So they had to do the best with the planet they had.

Niven collaborated with another author on a novel, "Building Harlequin's Moon", which WASN'T set in his usual "universe". The crew leaves the colonists frozen for a millennium while they take turns supervising the machinery which terraforms the planet.

>> No.9403162

>>9399282
>regrow teeth
Interesting.
Wonder if this could be used to enhance bone length and make people taller? Or make women curvier?

>> No.9403170

>>9398488
Be gone degenerate infidel.

>> No.9403659

>>9398620
the amount of energy you would need to bend space time, is about the same as you would need for FTL. Sort of defeating the purpose.

>> No.9403673

I thought interstellar travel meant traveling to at least the closest star... ? Am I wrong?

>> No.9403849

>>9403673
You're right.
Were you replying to a particular post which suggested otherwise?

>> No.9403875

>>9403673
It does, OP is talking about FTL travel as his posting of a picture of a wormhole should have made clear.

>> No.9403878

>>9398855
>Because it demonstrably is re asteroids.
Wait, you think asteroids come from interstellar space? HAHAHAHAHAHA

>> No.9403887

>>9399499
>>if the strong nuclear force were 2% stronger Helium-2 would be stable
>I'm gonna need your source for that one.
Do the calculations yourself brainlet.

>> No.9403893

Only brainlets think FTL is possible.

>> No.9403918

If time dilation is real (it's not), why don't astronauts on the ISS just buy lottery tickets since time goes slower for them, they can get the winning numbers by looking through a telescope.

>> No.9403964
File: 361 KB, 640x480, E866E82F-5A28-4AFD-8460-92DA9195CBAF.png [View same] [iqdb] [saucenao] [google]
9403964

>>9403918

>> No.9403965

>>9398488
>no possible way of traveling with such distances without bringing in /x/-tier stuff.
https://www.youtube.com/watch?v=xRB7a89Jh7w
Isaac Arthur's channel is probably something you should watch as it may change your view of what is possible within known physics.

>> No.9404044

>>9403964
You need to find a more "How braindead can someone be and still breathe?" reaction image.
This one isn't a tenth of what >>9403918 demands.

>> No.9404051

>>9403965
Some dimwit non-scientists' fanfic will "open my mind" will it? Fuck off, brainlet. Try studying actual science, you MIGHT come across as less of a total moron.

>> No.9404082

>>9404051
>dimwit non-scientists
How do you know that he is not a scientist?
>fanfic will "open my mind" will it?
That is what fiction is used for.
>Try studying actual science, you MIGHT come across as less of a total moron.
Why would I care.

>> No.9404264
File: 29 KB, 533x214, Relativistic.jpg [View same] [iqdb] [saucenao] [google]
9404264

>>9403965
I watched first 8 min. or so, then started skipping.
Talks about "how far we can go without FTL" and then segues smoothly over to "suppose we could cross the galaxy in a year." Every time I paused after that I saw clips from StarGate.

Suppose we had "perfect" fusion rockets. By which I mean no energy lost to neutrinos or waste heat. Suppose we wanted to attain HALF lightspeed, coast the majority of the trip, and then slow again. (Ignore the consequences of plowing through interstellar dust and gas.)
You need a mass-ratio over 300,000!!
A 1000 ton ship (small for a multi-decade voyage) would start out massing 300,000,000 tons. We're also assuming the tankage to hold all that fuel weighs nothing.

>> No.9404299

>>9404264
>Suppose we wanted to attain HALF lightspeed
You would have to be insane to ride in a ship going even 1% of light speed.

>> No.9404306

>>9404264
>Talks about "how far we can go without FTL" and then segues smoothly over to "suppose we could cross the galaxy in a year." Every time I paused after that I saw clips from StarGate.
He dismisses FTL right after that. That video is part three of a series.

>> No.9404317

>>9404306
So, briefly, what's his plan to colonize THIS galaxy (to say nothing of others) is less than several tens of millions of years?
Keep in mind that no human society has ever stayed focused on a project for more than a few centuries. These days, "next fiscal year" (or "next election cycle", at most) passes as "long term planning."

>> No.9404326
File: 50 KB, 262x400, 1A46A9E4-6C96-4391-821F-9F2A5A4CF07A.jpg [View same] [iqdb] [saucenao] [google]
9404326

>>9404317
That’s less human attention span more flaws and faults with modern government systems. You want a real government? How bout one that’s super gay where traps are a normal thing and everyone’s strapped with equal parts dildos and weapons.

>> No.9404330

>>9404317
there isn't one
Colonizing the galaxy isn't a singular thing, because it's not going to be done by a singular group
You colonize star systems one by one as individual groups decide to fuck off into the void to claim glory and a system for themselves

The galaxy will be colonized whenever the colonists decide to go and do it, or if someone is given a good enough reason to do it

>> No.9404331

>>9404317
https://www.youtube.com/watch?v=3y3MmmfZmP8
In his view we will colonize our galaxy over millions of years but not before saturating our solar system and eventually building a dyson swarm around the sun.

>> No.9404356

>>9404330
Well, that's a lot saner than many scenarios I've seen.
You realize, of course, that population pressure isn't a good reason to go traveling. Once your planet has been colonized for centuries or millennia (even if you've "gone Dyson") further expansion is no longer an option. The Frontier has moved on. Any worlds you might possibly reach are ALREADY colonized.
So societies will have to solve their problems in some other way -- all of which ultimately hinge on population control, even it you have access to all the resources of a solar system and the energy of a star.

What interstellar expansion does provide is cultural diversity and insurance against "local" disasters; warfare, plague, nearby supernova.

>> No.9404370

>>9404326
I thought the series gradually went downhill.
I don't know how much is included in the collection shown but Haldeman lost me with the novel in which he introduced, not one, but TWO deus ex machinas (shapeshifters living among us and something which could re-write physics at will.) I considered that authorial cheating.

>> No.9404389

>>9399410

Humans sending signals into the universe is the counterexample to this explanation, because if life is common it would only take a very small fraction of civilizations like humans to be outputting enough radio signals to be detected by us.

The answer to the Fermi paradox CANNOT be that aliens never decide to output signals, because it literally takes one rich alien to get bored and decide to do it per planet and EVERY planet is sending out signals.

The real answer to the Fermi paradox is that the Drake equation vastly overestimates the likelihood of a bunch of factors in a row, resulting in a result orders of magnitude larger than reality.

>> No.9404408

>>9404331

Why wait until the solar system is a dyson swarm before colonizing other stars? This guy is overly optimistic about a ton of shit and his thought processes don't make a lot of sense. It seems way more likely to me that as soon as we start building large space stations with rotating habitats etc it won't take long until someone has the idea of clustering a few rotating habitats together with a good stockpile of machinery and spare parts, a big fuel tank, and a fusion engine (assuming we develop something like that, could even be Orion-pulse derived idk), and start attempting interstellar generation ship flights. If we have enough industry to even consider actually starting to build a dyson swarm, we'd have more than enough capability to be able to launch a dozen different ships to a dozen of the closest stars a decade, every decade.

>> No.9405737

>>9398939
You have an obnoxious way of expressing yourself.

>> No.9405739

>>9398488
>Why do people believe that interstellar travel is a possibility given humanity's current aptitude in physics?

Hope? Inspiration? I'm sure you knew the answer to this before you posted. I bet you've even had the same feelings at some point.

Having said that, maybe we won't! Maybe it's not even possible for us.

>> No.9405986

>>9401709
>humanity is eternal

>> No.9406094

>>9405739
it's entirely possible
there's absolutely fucking nothing complex about speeding up and slowing down

>> No.9406108

>>9403162
manlet detected

>> No.9406130

>>9404408
he never said that we'd completely finish a dyson swarm before starting interstellar operations
he said we'd do it WHILE we construct one, meaning at the same time
people need to learn how to pay attention instead of being dumb

>> No.9407045

>>9401768
What the fuck am i reading

>> No.9407293

>>9398488
Except the UFOs exist. Now that NYT has published that, I can't see how you can maintain that dogma. The truth must be /x/.

>> No.9408649

>>9407293
I know this is a joke, but it's too much.

>> No.9409141

>>9398488
>Human are one uniform creature...
>Without bringing x tier stuff

>> No.9409147

>fermi paradox
>they will assume
>survival

Just bring out the plasmaguns already.

>> No.9409159

I see no issue with interstellar travel. Just keep sending generation ships out as we're producing enough people to keep filling them easily. One of them is bound to get there in time.
Your argument is invalid.

>> No.9409341

>>9408649
I'm still right. UFOs exist, and break the known laws of physics. So out theories must be wrong.

I mean, there are official videos and documentation about this.

>> No.9409367

With enough advances in particle physics we should be able to create massless particles that can move faster than light in about 700 years.

>> No.9409528

>>9409159
Nothing in physics prevents this.
The hard part will be convincing the taxpayers to fund all those generation ships.

>> No.9409534

>>9398488
Solar system domination is possible, just not with our political framework. Interstellar travel is possible, but with machines and over long time periods. Interstellar domination is questionable.

>> No.9409773

>>9398488
>given humanity's current aptitude in physics?

Imagine describing the internet to a person in the 1920's

>> No.9411303

>>9409773
The world would be worse.

>> No.9411588

>>9409341
>break the known laws of physics.
They don't seem to use reaction mass based propultion like we do, but that doesn't mean they break physics.

>>9409528
>the taxpayers
>Implying a society capable of building interstellar ships could do so without exploiting the resources of the whole solar system.
>Implying a society with such abundance of resources and automation wouldn't be post scarcity.

>> No.9411701

>>9411588
The space program and the superconducting supercollider were drop-in-the-bucket items compared with other expenses. Still killed.
Resources are ALWAYS finite, even with fusion energy and robotics -- whereas there's no end to what people want. You ALWAYS run into limits. Though they may not be the ones you're used to thinking of.
And I never said any thing about "exploiting all resources".

>> No.9411784

>>9411701
>And I never said any thing about "exploiting all resources".
Yeah but I did. There's a lot more stuff hanging around in the asteroid belt than most people imagine. Everything we would need to farm proteins and sustain immense populations, and build massive automated mining operations and shipyards and manufacturing plants.

At this point the sky isn't the limit anymore, it's the Oort cloud.

>> No.9411788

>>9398488
The only way I can see that warp would work is if our universe exists on the surface of a hyper-sphere. Otherwise, suppose you can shift into a higher dimension which is orthogonal to ours, then actually there's no point, because the distance traveled multiplies.

>> No.9411850

>>9411784
Agreed. But there are still limits.
Even "immense populations" have limits.
Asimov did the calculation once; assuming a very low reproductive rate, converting ANYTHING into food (and ultimately, human beings), and intergalactic travel no more difficult than walking through a doorway -- we still run out of resources in a surprisingly few number of millennia.
Of course, any real system would break down long before we reached that point.

At any level of technology, would people prefer investing in interstellar travel (long term investment, but possibly saving the species) or new iPhones (short term investment, but look at all the cool new features this has!!!!)
I think history has shown how that works out.

>> No.9412303

>>9398510
>curvature
Yes
>bending backwards out the other side of butthole
Just a mathematical possibility because y=x^2 has both + and - solution. Might as well be invalid part of equation as it is with many real, physical systems.
The equation was written just to describe "entrance" of black hole. We have not yet observed a physical exit. Only back holes ejecting mass, which is different process.

>> No.9412326

>>9399301
Time dilation doesnt exist and it would take a 10ghz processor to match and record the amount of cycles defined by the redefined second from the 60's being related to caesium-133 oscillating at over 9ghz, which the fastest processor ever built even up to 2018 has only managed sub 5ghz, nevermind in the 60's they had sub 1mhz.

Speed of light also has not been accurately defined or recorded.

Jetfuel can't melt steel beams.

Welcome to reality, you're surrounded by liars begging for attention.

>> No.9412371

>>9399460
actually it was more of a navigation and construction issue. A medieval carrack wasn't much faster than a Phoenician galley but the latter didn't have trigonometry for navigating and water mills to manufacture giant ocean going ships.

>> No.9412377

>>9403673
it does. Idk why we are arguing this, Freeman Dyson worked out nuclear starship designs 50 years ago.

>> No.9412414

>>9412326
There have been tests to push cpu frequencies to 9ghz but not above. They also required a steady stream of liquid nitrogen for cooling and upped voltage for powering, neither of which exist for "atomic clocks" which are basically self contained boxes with a shitty car battery inside or something, probably only as accurate as a $5 walmart digital watch.

in any case there have been no attempts to verify and measure the individual effects of caesium-133 to successfully and consistently track the accuracy of a single second or if any unbeknownst forces could alter the timing frequency of the caesium if indeed any is actually inside in the clocks which is a dubious claim given there'd be no reason as there is no mechanical way of accurately measuring the caesium's shit, so really its clearly all baloney.

>> No.9412649

>>9412377
because /sci/ is filled with brainlets that don't actually know anything about science
if you wanted critical thought, even /b/ would be superior to here

>> No.9413071

>>9398488
Once people drop Einstein and put a Wolfgang Smith under their arm and start reading it, perhaps.

>> No.9413129

>>9412414
http://teledynelecroy.com/100ghz/

>> No.9413514

>>9411850
>Asimov did the calculation once
Asimov is a hack. And by the time you're seriously using up all of the Solar system's ressources just to maintain your population alive, you should have had time to do some serious engineering and research, and kugelblitz powerplants or dyson swarms would be your next best bet for energy production. Good luck running out of energy with either of those.

>At any level of technology, would people prefer investing in interstellar travel (long term investment, but possibly saving the species) or new iPhones (short term investment, but look at all the cool new features this has!!!!)

At some point, when your iphone is already ten million times smarter than you and is actually running the solar system's economy with near perfect efficiency, and mankind's role in society is just to enjoy itself while the machines take care of shit, I doubt anyone would care seriously about making the iphones eleven million times smarter than humans.

>I think history has shown how that works out.
History also showed that people would rather be nomadic so they can always have new grounds to forage and hunt on, up until a point.

>> No.9413714

>>9404299
you can go to 15-20% safely if you have heavy duty point defense

>> No.9413852

>>9411588
>They don't seem to use reaction mass based propultion like we do, but that doesn't mean they break physics.
Known laws of physics. Meaning our theories must be wrong somehow.

>> No.9413868

>>9413852
>our theories must be wrong somehow.
What if it isn't science that we don't understand, but just engineering. Like explaining a modern computer to someone who has a solid academic understanding of electricty but has never heard of a computer.

>> No.9413944
File: 30 KB, 481x425, 1514070409979.jpg [View same] [iqdb] [saucenao] [google]
9413944

>>9413129
Oscilloscopes arent cyclic you fuck. Oscilloscopes cant measure or record a number of events. Jesus why arent all computers just powered by oscilloscopes they clearly go so fast.

>> No.9413946

>>9413944

You are retarded.

>> No.9413953
File: 8 KB, 363x364, 1514061519880.png [View same] [iqdb] [saucenao] [google]
9413953

>>9413946
>t. retard

>> No.9413956

>>9413953
goddammit

>> No.9413965

>>9413956
okay shitdick, how were they using 1ghz oscilliscopes in the 1970s to measure some minutely immeasureablely microscopic event at a rate of 9ghz which defined caesium-133?
Does that bust your nuts at all or are you going to keep telling yourself jews haven't made you into a gullible goy?

>> No.9413967

>>9407045
The ramblings of a schizo photographer.

>> No.9413982

>>9412326
>Hurr durr your desktop CPU must have the same sampling rate as what you want to measure
Congrats, you're retarded.

>> No.9413985

>>9412326
Also
>CPUs are under 5 ghz
I got 5ghz for shits and giggles with a 120 dollar CPU from 2015.
https://www.kitguru.net/components/cpu/anton-shilov/unannounced-amd-fx-8370-nearly-breaks-worlds-clock-rate-record-at-8-7ghz/

>> No.9413994

>>9413985
>>9412414

>> No.9413999
File: 93 KB, 1280x720, maxresdefault (1).jpg [View same] [iqdb] [saucenao] [google]
9413999

>>9399410
Great, my worst fucking fear is this, cthulu alien basically surrounds earth and is gigantically horrifying in size and we all die a horrible death while looking at the scariest unimaginable monster in size and definition

>> No.9414006

>>9399282
>tooth decay cure
no fucking way is this real

>> No.9414016

>i'm namein richode dokkins and me dont believem god cause my am smart and science smart to

>> No.9414025
File: 10 KB, 200x200, bk_45_richard_dawkins.jpg [View same] [iqdb] [saucenao] [google]
9414025

>>9414016
>t. me

>> No.9414614
File: 20 KB, 640x480, 1503722500287.jpg [View same] [iqdb] [saucenao] [google]
9414614

>>9398488
So do you believe its impossible or just people can't figure it out.

>> No.9415608

>>9399410
This sounds straight out of the Three Body Problem. You ever read that book? I think you'd enjoy it.

>> No.9416178

>>9413965

Seriously dude, you are retarded. You pretend like the methodology and technology isn't PUBLISHED ON THE INTERNET.

The only reason there is shit on my dick is because one of use needed a good fucking.

>> No.9416184

Kill yourself.

>> No.9416190

>>9413965
Here's something that will blow your mind. The speed of light is decreasing over time. The reason we havn't been able to measure that phenomena is because we started measuring time by the speed of light as well, so our measuring stick is changing at the same rate the speed of light is, making us unable to detect the relative change

>> No.9416199

>>9404389
That assumes high energy broadcasts don't stop shortly after beginning.

>> No.9416310

>>9416178
No nigger, you're the one pretending it isn't published.
Its not my fucking assumption that they didnt have the tech to make the measurement, its looking at the tools available at the time. Oscilloscopes couldn't even handle 1ghz til the 70's and couldn't handle GS/s + GHz til the 80's, with the tech required for 10GHZ and 10GS/s not existing til the 90's, 30 years after the second had been redefined to some arbitrary thing related to caesium-133 all the while liars and jews pranced around shilling atomic clocks.
http://w140.com/tekwiki/wiki/Main_Page

>> No.9416329

>>9403918
kek

>> No.9416399

>>9416310
Oh shit I guess microwave communications and radar were a big fat lie too!

>> No.9416457
File: 736 KB, 1080x1080, Screenshot_2017-12-30-16-57-48-1.png [View same] [iqdb] [saucenao] [google]
9416457

>>9416399
Theres a significant difference between tuning into a frequency and counting 9 billion times a second.

>> No.9416483

>>9399282
Thought it was bullshit until I saw the paper in Nature.

>> No.9416497

>>9398488
Why do people believe that heliocentrisim is a possibility given Christianity’s current aptitude in the word of God? Where we are absolutely proves that there is no possible way of the Earth orbiting the sun without bringing in blasphemy tier stuff. Why do media outlets that are supposed to be factual, preach to people that space travel is just within our reach? Is it political? In my personal opinion, research in the heavens should be centered around keeping Earth safe from an event of God’s wrath like an asteroid strike, not traveling to the dome of the heavens that encircles the planet, on which the Sun and the Moon float around God’s greatest creation, when we are really not ready for something like that.

>> No.9416521

>>9399282
Tooth decay is a trap created by the mouth Jews to steal your money. Ever wonder why teeth are the only part of your skeletal system that cant heal? Its because thats bullshit. Teeth will regrow on their own (provided the tooth isnt already rotted into pieces) as long as you keep the cavity sterile and stop eating/drinking bacteria enabling sugar for a while. I go to the dentist because my employer pays for it. Every time the dentist remarks how amazing it is that someone my age has no cavities or fillings. I have had cavities in the past, because i have had other dentists tell me so. All you do is stop eating/drinking sugar entirely at the first sign of a cavity, swish high proof clear alcohol (i use everclear) several times a day, and brush after every meal. Note that brushing for longer than 2 minutes or scrubbing the crap out of your teeth isnt going to do anything other than wear down your enamel. You ever wonder why dentists always have one of the highest suicide rates of any profession? Its because they eventually figure out, by observing people’s teeth in close detail, that the years of dental school was just brainwashing designed to allow them to reap absurd amounts of money from the ignorant masses while performing a service that the world would be better off without.

>> No.9416597

>>9398488
We could easily have space travel between Mars and back within 20 years if:

- We develop a SSTO to put stuff into orbit for a fraction of the current cost.

- We change the international regulations on nuclear devices in space, and build powerful ion engine craft.

>> No.9416637

>>9398488
>> Where we are absolutely proves that there is no possible way of traveling with such distances without bringing in /x/-tier stuff.
Bullshit. What about physics prevents us from sending stuff interstellar distances? Interstellar travel is perfectly reasonable with the physics we have right now. Project Daedalus shows that with technology not to far off and a bit of space industry we could send a probe to Barnard's star ~5 light years away in about 50 years.
https://en.wikipedia.org/wiki/Project_Daedalus

>>not putting an outpost on an inhospitable planet when we are really not ready for something like that.
you don't need interstellar travel for that.

>> No.9416645

>>9416597
>>- We change the international regulations on nuclear devices in space
The only international regulations on nuclear devices in space are no nuclear bombs, nuclear reactors are A-OK! The problem is that development for nuclear power reactors for space is rather slow due to lack of funding.

>> No.9416701
File: 381 KB, 1600x592, Robert Van Der Veeke Project Daedalus.jpg [View same] [iqdb] [saucenao] [google]
9416701

>>9416637
Technical flaws were found in Daedalus.
Even if the engine worked as designed, acceleration would be much lower and the boost period longer than the allocated 50 years. Much longer.
30 years on we STILL don't have fusion.
Nor do we have an infrastructure in place to mine Helium 3.
The current iteration is https://en.wikipedia.org/wiki/Project_Icarus_(interstellar)
Wikipedia supplied a link to http://icarusinterstellar.org/
God forbid! They used a design from Star Trek for their header-image. That doesn't mean that their engineers and designers are brainlets -- only that their web-guru is.

The new scheme is much less audacious, the craft quite a bit smaller, other fusion reactions are considered, and the flight duration longer.
The hope is to LAUNCH in 50 years and then maybe 60-100 years in flight.
Nothing prevents interstellar travel (at least not for unmanned probes which don't decelerate) but the world doesn't seem all that interested in funding such projects.

>> No.9416967

>>9398510
>>9398515
>>9398620
What you're thinking of is Alcubierre drive. It's strictly speaking not outruled by modern understanding of physics, except you need to have something with negative mass or an equivalent effect.
en.wikipedia.org/wiki/Alcubierre_Drive

>> No.9416976

>>9416967
>Rather than exceeding the speed of light within a local reference frame, a spacecraft would traverse distances by contracting space in front of it and expanding space behind it, resulting in effective faster-than-light travel. Objects cannot accelerate to the speed of light within normal spacetime; instead, the Alcubierre drive shifts space around an object so that the object would arrive at its destination faster than light would in normal space without breaking any physical laws.

>Although the metric proposed by Alcubierre is consistent with the Einstein field equations, it may not be physically meaningful, in which case a drive will not be possible. Even if it is physically meaningful, its possibility would not necessarily mean that a drive can be constructed. The proposed mechanism of the Alcubierre drive implies a negative energy density and therefore requires exotic matter. So if exotic matter with the correct properties can not exist, then the drive could not be constructed. However, at the close of his original article Alcubierre argued (...) that the Casimir vacuum between parallel plates could fulfill the negative-energy requirement for the Alcubierre drive.

QMlet here, anyone got any idea what those plates are and if they can indeed be used?

>> No.9417031

>>9416976
ANY plates will do, provided they're conducting.
A standing electromagnetic wave has to have zero amplitude where it encounters a conductor, same as a violin string has to have zero amplitude where it's fastened down.
The possible waves (virtual photons popping in and out of existence) are therefor reduced because all wavelengths are no longer possible. The net effect is a slight attraction between the plates.
I think it varies by something like the inverse 4th power of the inter-plate spacing
https://en.wikipedia.org/wiki/Casimir_effect
It's VERY small. They reference Alcubierre near the end of the article.

If you want to read a good book by somebody who thinks warp drive is possible (and who's not a PopSci autist) try
https://www.amazon.com/Making-Starships-Stargates-Interstellar-Transport/dp/1461456223

>> No.9418494

>>9416645
No, the last time I checked, stuff like RTG's were permissible, but proper fission reactors were not allowed. We need to bring out the big boiz to go to mars.

>> No.9418982
File: 58 KB, 627x290, Fission.jpg [View same] [iqdb] [saucenao] [google]
9418982

>>9418494
They're legal. The US doesn't use them often because the public is terrified.
The Soviets used them often. They needed high power for their radar spy sats and they didn't worry about public opinion. Not INTERNAL public opinion anyway. It was really bad PR when they crashed one in Canada.

>> No.9419004

>>9398488
>research in space should be centered around keeping earth safe from a cataclysmic event like an asteroid strike
brainlet, the odds a asteroid will strike Earth are smaller than our odds of conquering Mars.

>> No.9420512

>>9398488
>we need FTL to travel to other solar systems
>literally KYS

https://en.wikipedia.org/wiki/Project_Orion_(nuclear_propulsion)
https://www.youtube.com/watch?v=3y3MmmfZmP8
https://www.youtube.com/watch?v=oDR4AHYRmlk

>> No.9420589

>>9398939
Since we're at it, I will share an interesting hypothesis that describes mechanism behind why general relativity works for the experience of time dilation at increasing speeds. Given that the speed of light is asymptotically set for particles with mass due to energy requirements, and particle physics currently describes force carriers as massless particles that travel at the speed of light, as the the distance that the force carrier particles must travel to interact increases while the relative speed difference of two interacting particles decreases, the relative speed of those interactions slows as force carriers must travel further across space to interact. This means that time would appear to slow for the traveling mass because the fundamental interaction rate of force carriers and mass particles slows.

>> No.9420593

>>9399319
Per previous post, the image would have a cool time travel effect of going to tomorrow and beyond RE the twins paradox for all riders. Neat

>> No.9420968

>>9399445
Or to be an edgelord xenocide machine. Which do you think humanity will choose? Lol

>> No.9422073
File: 212 KB, 1218x1015, You.jpg [View same] [iqdb] [saucenao] [google]
9422073

>>9412326
>Time dilation doesnt exist

>> No.9422227

>>9416497
im a christian and i think you're a faggit

>> No.9423042
File: 149 KB, 800x820, go fucking home.jpg [View same] [iqdb] [saucenao] [google]
9423042

>>9416497
Go home fedorafag