'Super Photons' Blob State Matter
Physicists have created super photons by cooling photons of light into a blob state - a Bose-Einstein condensate. Regular Bose-Einstein condensates are created when atoms are cooled to absolute zero; the atoms collapse into the lowest quantum state, producing a superfluid. Satyendra Nath Bose and Albert Einstein worked out the details in the 1920's.
This remarkable experiment, carried out by physicists Jan Klärs, Julian Schmitt, Frank Vewinger and Martin Weitz of the University of Bonn in Germany, demonstrates once again the quantum nature of matter. In this case, photons of light act like particles in this extreme state.
("Super-photon" illustration; created when physicists
turned photons of light into a Bose-Einstein condensate )
"Whether a temperature is cold enough to start the condensation depends on the density of the particles," Klärs wrote in an e-mail to LiveScience. "Ultra-cold atomic gases are very dilute and they therefore have very low condensation temperatures. Our photon gas has a billion times higher density and we can achieve the condensation already at room temperature."
John W. Campbell wrote about a similar idea in his 1930 classic The Black Star Passes; he called it Lux:
“Either that,” returned Arcot, “or proof of an amazing degree of technological advancement. It's only a guess, of course—but I have an idea where this kind of matter exists in the solar system. I think you have already seen it—in the gaseous state. You remember, of course, that the Kaxorians had great reservoirs for storing light-energy in a bound state in their giant planes. They had bound light, light held by the gravitational attraction for itself, after condensing it in their apparatus, but they had what amounted to a gas—gaseous light. Now suppose that someone makes a light condenser even more powerful than the one the Kaxorians used, a condenser that forces the light so close to itself, increases its density, till the photons hold each other permanently, and the substance becomes solid. It will be matter, matter made of light—light matter—and let us call it a metal. You know that ordinary matter is electricity matter, and electricity matter metals conduct electricity readily. Now why shouldn't our 'light matter' metal conduct light? It would be a wonderful substance for windows.”
Via LiveScience; thanks to Winchell Chung (aka ) for submitting the tip.
Scroll down for more stories in the same category. (Story submitted 11/25/2010)
Follow this kind of news @Technovelgy.
| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |
you like to contribute a story tip?
Get the URL of the story, and the related sf author, and add
Comment/Join discussion ( 1 )
Related News Stories -
3D Printed Graphene Aerogel - So Light!
'... light as cork and stronger than steel...' - Edgar Rice Burroughs, 1929.
Vantablack Now IMMEASURABLY Black
'a black coating now that’s ninety-nine percent absorptive...' - Doc Smith, 1934.
New Paper - Write With Light Erase With Heat
Writing with light, erasing with heat.
Reconfigured Graphene 10X Strong, 5 Percent Dense, As Steel
'...It was made of Alohydrolium, which is the lightest of all metals.' - Hugo Gernsback, 1911.
Technovelgy (that's tech-novel-gee!)
is devoted to the creative science inventions and ideas of sf authors. Look for
the Invention Category that interests
you, the Glossary, the Invention
Timeline, or see what's New.
China Melts Tibetan Permafrost To Plant Forest
'Can you give us a microwave spotlight?'
iFlytek Doctor Robot First To Pass Medical Exams
Doctor shortage? No problem, we'll just use the autodoc.
Slaughterbot AI KIller Quadcopter Drones
'The real border was defended by... a swarm of quasi-independent aerostats.'
Do We Really Want Backflipping Robots?
Also includes wonderful blooper reel.
RNA-Based Biocomputing Device
Living things can sense and analyze complex signals in living cells.
Seasteading Floating Cities
'It was a remarkable island, circular, about half a kilometer in diameter.'
Tesla Semi 'Electrotruck' Unveiled
Elon Musk unveils yet another technological marvel.
Watch What People Are Seeing Via Brain Scanning
'had managed to see through the other man's eyes as the other man, all unaware, washed their Zis limousine sixteen hundred meters away...'
Integrated Circuits Printed Right Onto Fabric!
'...a shirt that displayed email on its sleeve.
Interstellar Asteroid Visits Our Solar System
'This asteroid had whirled in from the cold of the interplanetary space...'
PRIMA Bionic Vision Restoration
'The VISOR... was a medical device used in the Federation to aid patients who have suffered loss of eyesight...'
Audi Traffic Jam Pilot Knows If You're Sleeping
'Even here, riding a garbage truck to eternity, the machine watched him...'
UM Hall Thruster Breaks Records
Someday, we'll see an ion drive used to get to Mars.
Ionity Ultra-fast Charging Station Network
'Recharge the batteries... in almost every town and village...'
VAuth Voice Security Wearable From University of Michigan
'Siri, I gave you a voice command...' 'Yes, but do I know you?'
Ubiquiti FrontRow Camera Records Your Life
Why be choosy? Just upload your whole life to the Internet, and be done with it.
More SF in the News Stories
More Beyond Technovelgy science news stories