/sci/ - Science & Math

>>3613092

Theoretically, it's impossible.

we cant know yet. people though 300 years ago its impossible to fly. then someone invented a way to fly.

Yes

Yes it is. Don't let anyone here lie to you about that. We travel faster than light every day, for many different reasons.

>>3613106

so is your mothers half-failed abortion but here you are

>>3613106
why?

>>3613106
Galaxies are rushing away at us faster than the speed of light. It's due to expanding space. I think it's called frame shifting. But regardless, the speed of expanding space is not limited to c.

>>3613116
well, the question is, will intergalactic space travel ever be possible?

Let me rephrase, it's theoretically impossible to accelerate to c.

Because of fucking theory of relativity dumb asses.

You need close to infinite energy to accelerate once you come even remotely close to c.

But in different inertia systems you can travel faster, relative to the other systems.

>>3613119
If we can ever control space time then yes. We could envelope a ship in an alcumbier bubble to propel it.

>>3613123
> you can't travel at the speed of light
> only a fraction of it, 0.999...
> 0.999... = 1
> you can travel at the speed of light

Geordi, I need those warp engines now.

>>3613124

by then we will be able to rip holes in the universe. And manipulate individual quarks.

But... By that time we'll be extinct.

>>3613114
Something to do with 'Quantum foam', a concept Einstein first introduced with his theory of special relativity. I don't really know much about it, just that it somehow limits the speed of like to 300 000 km/s. Try wikipedia.

>>3613136
Ah /sci/, why so negative always?

>>3613136
>>3613134
you guys have no idea what you're talking about, do you?

>>3613134
>>3613136

Hahahahaha

dumb and dumber.

>>3613125
>0,999...<1
>0,999...=/=1
0,999... is still smaller than 1.

I think that at minimum small, fast probes can be sent to nearby stars. Getting them up to speed shouldn't be outside the scope of technical feasibility for a civilization with space infrastructure. One approach involves laser sails.

i don't think so. irrelevent to think of that now
we should focus on atleast colonising our system first then maybe start thinking about heading to another system. intergalatic, i doubt it that and we actually need to go faster then the speed of light which well. I just think we are better of looking around our back yard before we go on safari

>>3613125

Try calculating the amount of energy needed to reach 0,9c and then try 0,999c. You will c that your calculator (no matter which) cannot show that large a number, even if your units were Giga Joules.

>look at a dying star 1000000 light years away
>travel to that star faster than the speed of light
>star is gone
>travel back to earth
>earth is gone
>time dilation bitches

>>3613148
You must own a shit tier calculator.

>>3613157

Upload a picture of your calculator showing that number please.

>>3613159
Burden of proof. You made a claim. Defend it.

>>3613156

what if you travel to the other side of the universe faster than the speed of light, that means when you return to where you started everything in the universe is now different?

>>3613160
>by the time you reach the "side" of the universe, it will not be a side anymore
>the galaxies are moving, so if you return exactly to the place where you started your journey ofc nothing that was there is gonna be there

>>3613164

you fucking idiot, I said it couldn't be done. He said it could, he has the burden of proof, you are incredibly thick.

>>3613173
You said, every calculator would fail to display such a number. Prove it or default and accept defeat, nerd.

>>3613141
Lol, not really, just trying to give what I thought was the general direction of the right answer.

>>3613173
>He said it could
No, he didn't. He insulted your calculator. You're thick.

btw the universe isn't curved, i know i've been there

>>3613178
Flat like yo motha

Scientific discussions on the internet really just don't work.

this thread is moving away from the original topic faster than c
are we experiencing time dilation yet?

well, what about being able to travel between star systems in the galaxy, like in star wars... is that possible? Do you think there is other life within our own galaxy?

>>3613123
Oy, oy oy.

All so often the cause of these flame wars is simple misunderstanding. Of course it is impossible to go faster than light in your local space. All of the methods for FTL simply remove you from the local space of everyone else. When you go through a wormhole, you leave the universe, and skip through to a seperate dimension. When you use a warp drive, you inhabit a pocket of spacetime which permits you to go FTL in respect to an outside observer.

I think both parties need to pause for a second and think a little. No one is suggesting that "Hurpity derpity, we can go ftl by putting an brick on accelerator"

>>3613154
if you want to make the probe faster, you need bigger enigines. bigger engines means more weight, that means more engines to be faster, that means more weight etc.

>watch the movie called "Contact" if you haven't dont that already
>it's made from a novel by carl sagan
>wormhole travels
>good sci-fi

m = mo * / SQR( 1 - v^2/c^2)

where "m" = mass at velocity "v"
"mo" = rest mass of the particle.

Combine that with Newtons second law

F = a * m

Now you need a graph that shows the mass relative to the force required to accelerate further. Now take the whole area underneath the graph showing how the force required rises. And since the graph continues to infinity the number will be to large to display (even at 99%).

>>3613190
> Shit movie based on drama more than science.
> Waaah, my computer datas, waaaaahh, my computer datas
> What's that noise? Oh, it sounds like someone scraping metal in outer space
> ALIENS 100% MUST BE
> Let's decode static forever until something intelligent appears by chance
> OH SHIT A MAP
> LETS BUILD IT AND PUT DUMB PEOPLE IN IT
> Oh, nothing happened. It makes people pass out and think they're going to outer space.
> SOUNDS LIKE FUN

>>3613195

sounds like every sci-fi ever

>yeah but the wormhole principle is displayed there
>there's also drama, it's just a movie

>>3613159
anotherfag here
>after a little googling

>>3613203
what site is that

also thats the total world energy consumption for a year

>>3613237
Wolfram α

I know. It always surprises me how low the needed energy is.