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/sci/ - Science & Math

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>> No.3458781 [View]

Data is a series of numbers expressed in some form of code, usually binary.

What you're referring to is simple radio transmission.

>> No.2880228 [View]

Does the activation energy of an exothermic reaction not get converted straight into heat in the reactants?

>> No.2880213 [View]

>>2880197
I'm not creating or destroying anything. You're saying that any process that gains or loses energy is violating physical law. Apparently every time I light a cigarette, I'm creating bundlefucks of energy. It can be reasonably assumed that the external system has no short supply of energy, and that the internal system of this process is ever so slightly endothermic considering the fact that the gases must be reignited with heat.

Is /sci/ really this stupid?

>> No.2880187 [View]

Assume that this is on a very short timescale and that the water is separated by electrolysis, and is in gaseous form to begin with. From this, you can assume that the constituent gases don't have time to heat up or cool down at all, so you would put energy into the system in electrolysis, put more into it to recombust the gases, and get the same amount back that you originally put in from the electrolysis.

It's net endothermic.

>> No.2880170 [View]

Explain. Just because combustion is exothermic doesn't mean that the whole process is. The heat from ignition has to come from somewhere.

>> No.2880155 [View]
File: 80 KB, 500x333, 3646280886_2f58ffdab5.jpg [View same] [iqdb] [saucenao] [google]
2880155

2 H2O -> 2 H2 + O2 --heat--> 2 H2O is net endothermic right? Splitting the water into its constituent molecules and then recombusting it results in less energy from before since you have to ignite it. Am I wrong?

>> No.2490807 [View]

INTP here.

>> No.2481442 [View]

Parentheses are open ended points. That number is between negative infinity and negative 7, excluding both.

The bracket is a closed ended point, meaning it's inclusive.

Also you're really stupid. Read your damned textbook.

>> No.2478729 [View]

Framing Armageddon: Something Wicked Part 1 tells the story of the Setians, who were the original inhabitants of Earth, and are directly descended from the "Great Architect". They are said to have nearly omniscient knowledge. Humans, who have developed space travel, invade Earth in a bid for "ultimate power and ultimate knowledge", killing all but ten thousand Setians (Invasion, Motivation of Man, Setian Massacre).
The remaining ten thousand go into hiding in the mountains in the east (A Charge To Keep). The Setian High Council, which consists of the twelve Elders and the High Priest, make a plan to get revenge on the invading human race (Reflections, Ten Thousand Strong, Order of the Rose). They plan to initiate "The Clouding", which involves brainwashing all the humans and making them forget their origins (Cataclysm, The Clouding). Once completed, the Setians will manipulate history by creating religions (Judaism, Islam, Christianity, etc.) to further divide the humans (Infiltrate and Assimilate, Retribution Through the Ages, The Domino Decree, Framing Armageddon). Once human kind is sufficiently divided, after ten thousand years, the Setians will await, as the prophecy told millennia ago, the birth of the Antichrist, Set Abominae (When Stars Collide, The Awakening). Set Abominae will destroy all of the human race and execute the revenge the Setians have long awaited.
Framing Armageddon tells the story from the prophecy to the events right before the birth of Set Abominae.

Youtube search Iced Earth - Ten Thousand Strong

>> No.2478517 [View]

A degree in history is more noble a study than most would think.

We would also be pants-on-head without anthropologists.

>> No.2478440 [View]
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>>2478425
>>2478430
>fail so hard at something so simple while attempting an insult that I've already heard before
Oh, world, you crack me up.

>> No.2478404 [View]

Why does everyone always hate on history majors?

Yall jelly?

>> No.2445817 [View]

A couple years ago I had the same thing in my face. It was twitching for a day or two. It was kind of bothersome, until one morning I woke up and tried to play my trumpet in band, and half of my face didn't work. Paralyzed. It's called Bell's Palsy.

It was that way for 6 months and permanent damage still exists in that half of my face. My eye waters when I eat (weird), and that half of my face is noticeably droopier. I can't move the corner of my mouth without closing my eyelid. My left eye is now always noticeably more closed than the other one.

For treatment they gave me anti-viral medication and 1000 mg of prednisone per day.

>> No.2445772 [View]
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2445772

>> No.2445761 [View]
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>>2445728
Pretty literally, yes.

Is it just glass or something?

>> No.2445679 [View]
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2445679

u mad, /sci/?
http://www.youtube.com/watch?v=aLwaPP9cxT4&NR=1

But seriously wtf.

>> No.2320558 [View]

BEACH FRONT PROPERTY!
WOOOO!

>> No.2194995 [View]
File: 61 KB, 577x611, 1276726547924.jpg [View same] [iqdb] [saucenao] [google]
2194995

Late reply, but thanks. I'll build the launcher to be able to do 85 or 90 m/s, just to be safe.

We're going to build a battery of these things and launch tennis balls toward another dorm on our campus.

>> No.2194318 [View]

>>2194282
My last physics class was 3 years ago. Just pick one.

38 degrees.

>> No.2194275 [View]

>>2194260
Slight corrections can be made for real world application. I just need an approximation to work with.

>> No.2194265 [View]

Well 30 degrees is the minimum for hitting the building, so anything between 30 and 45 degrees would work fine as long as the projectile gets there.

>> No.2194243 [View]
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2194243

Bit of help here? It's been a while since I took physics.

Your help will aid in epic lulz that are to be had once this project is finished.

>> No.2139892 [View]
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>>2139879
Because science is the only thing in academia, of course.

>> No.2139868 [View]
File: 59 KB, 650x600, 12710460476052.jpg [View same] [iqdb] [saucenao] [google]
2139868

Used to be a chemistry major.
Nailing organic chemistry to the fucking wall this year.

Decided I didn't like it.
Changed majors to History today.

U mad, /sci/?

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