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Old 02-13-2009, 05:40 AM #1
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Default Laser moves matter

Very interesting research. A 9.6 kW CO2 LASER moved some silicon power 7mm up into the air... against gravity and surface tension.

strange huh? perhaps lasers are the transportation of the future eh? (hah)

http://www.physorg.com/news152456596.html

-Kendall


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Old 02-13-2009, 12:07 PM #2
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Default Re: Laser moves matter

The first search result for 9.6kW , 7mm and macroscopic amounts of matter is not transportation in my head. ;D
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Old 03-24-2009, 12:19 AM #3
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Default Re: Laser moves matter

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Originally Posted by Switch
The first search result for 9.6kW , 7mm and macroscopic amounts of matter is not transportation in my head. ;D
You'd only need about 700,000,000 of those lasers to travel from California to Florida.
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Old 03-30-2009, 01:39 AM #4
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Default Re: Laser moves matter

That's insane, I wonder what that 105kW laser would do, it's posted in here somewhere.
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Old 03-30-2009, 03:22 AM #5
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Default Re: Laser moves matter

what would the price of collateral damage be though...
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Old 03-30-2009, 04:31 AM #6
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Default Re: Laser moves matter

If someone put 10 kW of CO2 laser up your ass, you'd go more than 7 mm up ;D ;D Guaranteed !!! Damn, I'd go several feet

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Old 03-30-2009, 09:14 AM #7
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Default Re: Laser moves matter

LOL! That made me laugh for ages, thanks for that Mike ;D ;D

I guess optical trapping would slightly work on this principle.
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Old 07-25-2009, 03:52 AM #8
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Default Re: Laser moves matter

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Originally Posted by iewed View Post
You'd only need about 700,000,000 of those lasers to travel from California to Florida.
Pardon my geography skills, but coming from canada, I had to think about that. I thought it was a joke, as I thought California was IN Florida... Jeez, I need to stop missing geography class... Lol :P
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Old 07-27-2009, 04:22 AM #9
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Default Re: Laser moves matter

here is some real laser travel

YouTube - Amazing Laser Spacecraft
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Old 07-27-2009, 07:13 AM #10
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Wink Re: Laser moves matter

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Originally Posted by kylefrikkentoth View Post
Pardon my geography skills, but coming from canada, I had to think about that. I thought it was a joke, as I thought California was IN Florida... Jeez, I need to stop missing geography class... Lol :P

the only thing Ca and Fl have in comman is its sunny and they grow oranges lol
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Old 07-28-2009, 05:03 PM #11
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Talking Re: Laser moves matter

Quote:
Originally Posted by GooeyGus View Post
here is some real laser travel

YouTube - Amazing Laser Spacecraft
They can keep their spacecrafts, if they want ..... I WANT THAT LASER !!!
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Old 08-02-2009, 03:21 AM #12
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Default Re: Laser moves matter

Here's a new story on this sort of thing - this propulsion system uses a gigawatt pulsed IR laser!

Laser-Powered Lightcraft "At the Cusp of Commercial Reality" | Popular Science

But seriously, I think it will be a long, long time before this sort of thing would be used for any sort of manned aircraft - I don't think I'd want to ride in a vehicle that's being hammered away at by a barrage of gigawatt laser pulses! Just look at what happens when the space shuttle looses a few of its heat deflecting ceramic tiles....
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Old 08-28-2009, 11:39 AM #13
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Default Re: Laser moves matter

They actually use lasers moving matter in a much, much smaller scale nearly everyday. By isolating particles in a vacuum and hitting them with photons from lasers at just the right angle and power, scientists actually cool down these atoms by reducing their speeds by an extraordinary amount. These atoms about as close as scientists have gotten at replicating bose-einstein condensate
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Old 08-31-2009, 08:58 PM #14
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Default Re: Laser moves matter

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Originally Posted by Byrnz93 View Post
They actually use lasers moving matter in a much, much smaller scale nearly everyday. By isolating particles in a vacuum and hitting them with photons from lasers at just the right angle and power, scientists actually cool down these atoms by reducing their speeds by an extraordinary amount. These atoms about as close as scientists have gotten at replicating bose-einstein condensate
That's awesome. So you're telling me lasers can actually produce cold?
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Old 09-01-2009, 01:46 AM #15
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Default Re: Laser moves matter

yeah, temperature is dependant on kinetic energy. Firing photons, with just the right energy, at particles reduces their speed, thus reducing their temperature
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Old 09-02-2009, 02:01 AM #16
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Default Re: Laser moves matter

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yeah, temperature is dependant on kinetic energy. Firing photons, with just the right energy, at particles reduces their speed, thus reducing their temperature
Woah. So a freeze ray hahaha
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