Nothing

Post by **b0b** » 19 Sep 2008 1:27 pm

I can stop it if you want.

Richard Sevigny · Post by **Richard Sevigny** » 19 Sep 2008 2:15 pm

...or we'll have nothing to keep us amused

Archie Nicol · Post by **Archie Nicol** » 19 Sep 2008 2:23 pm

There is nothing crude or disgusting about this thread. What is this place coming to?

Arch.

Alan Brookes · Post by **Alan Brookes** » 19 Sep 2008 2:27 pm

b0b wrote:If I remember my math correctly, the square root of infinity is -infinity (negative infinity)..."

You don't remember your math correctly. Minus infinity is just infinity in the opposite direction. You can't square infinity and you can't square minus infinity. However, if you could they would give the same result, as any negative number multiplied by itself is positive.

Remember that the square root of 9 is 3 or -3 ?

Alan Brookes · Post by **Alan Brookes** » 19 Sep 2008 2:28 pm

Richard Sevigny wrote:...The swinging pendulum will lose momentum until it finally comes to rest. At that point it is doing nothing.

It will only come to relative rest. It's on the surface of the earth, which is rotating and moving through space... Nothing in the Universe is standing still.

Hey, we're back to that nothing again.

Jim Bob Sedgwick · Post by **Jim Bob Sedgwick** » 19 Sep 2008 4:22 pm

If your car was capable of attaining the speed of light, you were driving at night at the speed of light, turned your headlights on, would nothing happen?

David L. Donald · Post by **David L. Donald** » 19 Sep 2008 5:14 pm

So in the end which wins.
Gravity or entrophy?

LJ Eiffert · Post by **LJ Eiffert** » 19 Sep 2008 6:50 pm

I just found nothing at Buy Low in North Las Vegas on J Street and Owens. LJ

Post by **b0b** » 19 Sep 2008 7:23 pm

I guess I was worng. Now I think that the square root of infinity is minus zero.

Fred Shannon · Post by **Fred Shannon** » 19 Sep 2008 7:49 pm

b0b, don't worry about it, it's nothing anyway.

phred

David L. Donald · Post by **David L. Donald** » 19 Sep 2008 9:16 pm

Zero to the 12th string!

Alan Brookes · Post by **Alan Brookes** » 20 Sep 2008 9:51 am

b0b wrote:I guess I was wrong. Now I think that the square root of infinity is minus zero.

Minus zero times minus zero is zero, not infinity.

Give up on trying to deduce the square root of infinity; it doesn't exist. It's like that ancient Greek god who was destined to push a rock up a mountain, and each time he got to the top he found himself at the bottom again.

He got NOWHERE.

...which, of course, is a vector version of...

NOTHING.

Alan Brookes · Post by **Alan Brookes** » 20 Sep 2008 9:57 am

Jim Bob Sedgwick wrote:If your car was capable of attaining the speed of light, you were driving at night at the speed of light, turned your headlights on, would nothing happen?

Something would happen. The guy behind you would see your lights, but you wouldn't. Of course, at that speed you'd be leaving everyone else behind, so it might be many years before your light reached him.

You'd also be at infinite weight, so your gasoline usage would be on the high side. At today's prices you might want to put off that experiment.

...and do NOTHING.

Matthew Walton · Post by **Matthew Walton** » 20 Sep 2008 10:28 am

Dave Burr wrote:Excerpts from the Verlon Thompson song; "I Was A Square"

.....you see, I was a square when you were around..... I wasn't cool, I was acting a fool when you were around.....And it just isn't fair, now that I'm not a square but you're not around.

Excerpt from the Paul McCartney Song "Feet In The Clouds"

"I've got my feet in the clouds, got my head on the ground
I know that I'm not a square as long as they're not around"...

Howard Tate · Post by **Howard Tate** » 20 Sep 2008 2:26 pm

I think if you were driving at the speed of light and turned your head lights on, some one would try to pass you. Possibly my wife. There's nothing I can do about it.

Edward Meisse · Post by **Edward Meisse** » 20 Sep 2008 4:19 pm

Archie Nichol said:

What is this place coming to?

Nothing, Arch.

Alan Brookes · Post by **Alan Brookes** » 20 Sep 2008 5:52 pm

Howard Tate wrote:I think if you were driving at the speed of light and turned your head lights on, some one would try to pass you. Possibly my wife. There's nothing I can do about it.

It wouldn't help her diet. She'd be at infinite weight...

Post by **b0b** » 20 Sep 2008 9:25 pm

Jim Bob Sedgwick · Post by **Jim Bob Sedgwick** » 21 Sep 2008 4:19 pm

Alan Brookes wrote:
Jim Bob Sedgwick wrote:If your car was capable of attaining the speed of light, you were driving at night at the speed of light, turned your headlights on, would nothing happen?
Something would happen. The guy behind you would see your lights, but you wouldn't. Of course, at that speed you'd be leaving everyone else behind, so it might be many years before your light reached him.
You'd also be at infinite weight, so your gasoline usage would be on the high side. At today's prices you might want to put off that experiment.

Thanks Alan, I hadn't thought of that. $:\$

...and do NOTHING.

David L. Donald · Post by **David L. Donald** » 22 Sep 2008 4:45 am

If they looked at your tail lights as you left,
the closer you go to light speed,
the more that the doppler shift would turn them redder.

BUT after you passed light speed the waves
would truncate like digital sampling.

At some point every OTHER cycle of light would be seen,
and again faster only every third cycle would be seen
But you would still be putting out the regular signal.

Keep going fast enough and your steady light would begin to blink.

Alan Brookes · Post by **Alan Brookes** » 22 Sep 2008 7:00 am

...and I thought all those years watching Star Trek were just for entertainment....

Rick Collins · Post by **Rick Collins** » 22 Sep 2008 10:01 am

Lorentz contraction:

Car and driver would also contract in the direction of travel, approaching the speed of light, approximately one-half at 90%.

The length of this dimension at the speed of light:
NOTHING!

Jim Bob Sedgwick · Post by **Jim Bob Sedgwick** » 22 Sep 2008 6:20 pm

David, wouldn't you have to have a blower on your engine to attain that speed?

David L. Donald · Post by **David L. Donald** » 22 Sep 2008 7:01 pm

More like the CERN accelerator as your Nano-Drive actuator.

David Doggett · Post by **David Doggett** » 23 Sep 2008 6:49 am

Alan Brookes wrote:...and I thought all those years watching Star Trek were just for entertainment....

No, that's an alternate universe. Warp speed is many times faster than the speed of light. And there are no acceleration and deccelaration effects - people stand around without holding on to anything as their ship goes in and out of warp speed. Also, everyone in the universe speaks English. Pajamas are military fashion. And, named main characters never die, only unnamed temporary characters.

You might say it's nothing like our universe.

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Nothing

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