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Ares Rocket Test Fire At Corrine, Utah 9/10/09

crotchflame says...

I think the point Shole was making is that there's no net momentum transfer after things settle to equilibrium. The rocket is able to change the momentum of the Earth by firing off exhaust gases at high velocity but those will eventually come to a stop due to drag with the atmosphere which will then transfer the momentum back to the Earth again. So it's more like the rocket would have a temporary shift to the Earth's rotation which would then return to its original position. The ice cap would be the same situation so long as it eventually came back to rest. In order to permanently alter the Earth's rotation some angular momentum would have to be permanently transferred to something else.

Laid back basehopping

Standing waves in standup bass guitar strings

Standing waves in standup bass guitar strings

crotchflame says...

I've never done this, but I have to call bullshit. The strings should be moving near the fundamental with a node at the players fingers and one at the bridge (if that's what it's called), the amplitude is way too high, and the strings are moving in the wrong direction. The only explanation I could think of is that it's some kind of phasing trick with the camera shutter like the lines moving down a CRT monitor, but I doubt that could explain what we're seeing.

More like this:
http://www.youtube.com/watch?v=tZpeAJdD770

Science Channel's "100 Greatest Discoveries" in Physics

crotchflame says...

I would put the second law of thermodynamics at number 1 if only because so many people still don't understand what it says - even people that really should, like most the engineers I've met.

Leonard Bernstein performs Maurice Ravel Piano Concerto

Fox Edits Old Biden Video Quoting McCain As His Own Words

Daniel Barenboim - Beethoven Sonata No. 10

Footage of first nuclear bomb (Ivy Mike)

This cat is VERY tolerant of the baby

crotchflame says...

I was sure my niece was going to get her eyes scratched out when she walked into the room carrying our cat upside down by her hind legs, but the cat just laid back and went with it - wailing loudly the whole way.

She's an ill tempered cat so I was amazed she had the sense not to hurt a baby.

The Genius of Beethoven - Faith and Fury (Part 3 of 3)

OMG THE HADRON COLLIDER IS TURNED ON!!!

crotchflame says...

The funniest thing is that the Earth is bombarded all the time with particles having millions of times more energy than anything the LHC will produce...if this were possible it would have happened billions of years ago.



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Beggar's Canyon