Wednesday, May 25, 2016
Contact us    |    Advertise    |   Help   RSS icon Twitter icon Facebook icon
    Home  ·  News  ·  Forum  ·  Stories  ·  Image Gallery  ·  Columns  ·  Encyclopedia  ·  Videos
Find: in

Atoms reach record low temperature

Posted on Monday, 7 January, 2013 | Comment icon 28 comments | News tip by: B Randomly

Image credit: Wikimedia Commons

Scientists have found a way to achieve temperatures lower than the coldest temperature possible.

Absolute zero is minus 459.67 degrees Fahrenheit, the temperature at which atoms stop moving and the minimum temperature anything can possibly be - or at least that's what scientists thought. A team of researchers at the University of Munich in Germany have succeeded in turning this idea on its head by devising a concept of "negative temperature".

Because of the strange ways in which objects behave when cooled in to negative temperatures, the research could prove invaluable in the hunt for answers to some of science's biggest questions as well as providing new concepts for engine cooling. "A better understanding of temperature could lead to new things we haven't even thought of yet," said team scientist Ulrich Schneider. "When you study the basics very thoroughly, you never know where it may end."

"Absolute zero is often thought to be the coldest temperature possible."

  View: Full article |  Source: Live Science

  Discuss: View comments (28)


Recent comments on this story
Comment icon #19 Posted by dan-paul-mark on 9 January, 2013, 1:24
this is just an idea but from what i read i got the impression that in normal possitive temperature conditions atoms have a force which repels other atoms away, so as a particle heats up and moves with more force it then pushes atoms around it to do the same. in negative energy the force is reversed to then pull sorrounding atoms causing them to slow down. is it possible that this could be linked with black holes and collapsing stars, is it poosible to use this to create extremely dense matter as possitive tempretures decreases the density of things?
Comment icon #20 Posted by csspwns on 10 January, 2013, 4:52
wtf this was my damn link :O
Comment icon #21 Posted by B Randomly on 15 January, 2013, 0:13
I did create a thread, (refer to OP)... it says it's merged, so maybe a double posted thread? You are more than welcome to have it, though.
Comment icon #22 Posted by Br Cornelius on 18 January, 2013, 17:41
I understood that absolute temperature is the absence of atomic motion, This represents an absolute state of existence - a thing is in motion or it is static. In this case anything other than stasis has a temperature. There has never been an atom reduced to absolute stasis, so what they are describing must be a statistical artifact of the system and not a deion of its real physical state. Am I wrong here ? Br Cornelius
Comment icon #23 Posted by sepulchrave on 20 January, 2013, 0:06
I guess... ``sort of'' ? The temperature that you speak of is really only rigorously defined (in my opinion, anyway) in terms of a statistically large ensemble of non-interacting, identical (but distinguishable) particles - i.e. an ideal gas. In that case the temperature is related to the average kinetic energy of the particles. Since kinetic energy is a strictly positive term, an average kinetic energy of zero implies that all particles in the system have zero kinetic energy. So in this situation, absolute zero does correspond to a complete absence of motion (which you rightly state... [More]
Comment icon #24 Posted by Rolci on 1 July, 2013, 23:38
Comment icon #25 Posted by DieChecker on 2 July, 2013, 1:30
That is probably propriatary knowledge that someone is going to have to Pay to find out. Probably that information will make it into the public sector in a couple years.
Comment icon #26 Posted by sepulchrave on 2 July, 2013, 4:08
I don't think the knowledge is proprietary. The on this research lists most of the details. They ``tinker'' with it by adjusting the frequency, pulse width, etc. of the in relation to the temperature of the ensemble.
Comment icon #27 Posted by DieChecker on 2 July, 2013, 4:10
How do lasers effectively trap particles? Are the lasers used to actually adjust the magnetic fields they are using, or something like that? Edit: Should have read the links first... So apparently the lasers push around the atoms, till some are trapped in the wavelength pockets? Interesting.... I have barely enough understanding of physics to have an idea how this works...

Please Login or Register to post a comment.

  On the forums
Australian town is invaded by 100,000 bats
Batemans Bay in New South Wales has become so overrun that a state of emergency has been declared.
Warning goes out over 'vampire fish' in UK
Swimmers have been urged to be on the lookout due to a rise in the number of blood-sucking sea lampreys.
Are there trillions of alien civilizations ?
A new study has suggested that the universe is likely to be teeming with extraterrestrial life forms.
Man-eating Nile crocodiles found in Florida
Using DNA testing, scientists have identified at least three of the deadly reptiles in Florida's swamps.
Other news in this category
Hypersonic rocket could revolutionize travel
Posted 5-21-2016 | 8 comments
US and Australian military scientists are working together on an ambitious high-speed aircraft concept....
Is Everest really Earth's tallest mountain ?
Posted 5-18-2016 | 10 comments
According to scientists, Chimborazo in Ecuador is actually quite a bit taller than Mount Everest....
Man filmed struggling against 109mph winds
Posted 5-18-2016 | 8 comments
A new viral video shows a worker at Mount Washington Observatory being blown around by an extreme gale....
Human head transplant still moving forward
Posted 5-14-2016 | 24 comments
The controversial surgical procedure is set to take place at a facility in China as early as next year....
'Cyborg artist' is able to feel earthquakes
Posted 5-13-2016 | 11 comments
Moon Ribas can feel every earthquake on the planet through a special seismic sensor implanted in her arm....
Tiny robot can go on missions inside the body
Posted 5-13-2016 | 7 comments
Scientists have come up with a tiny robot that could revolutionize treatment of the digestive system....
Real-life Mount Doom could soon erupt again
Posted 5-12-2016 | 8 comments
The iconic volcano used in the Lord of the Rings movie trilogy has had its eruption alert elevated....
HyperLoop One carries out public track run
Posted 5-12-2016 | 8 comments
The prototype high-speed transport system has propelled a sled up to 116mph along a test track in Nevada....
Can the moon really affect human behavior ?
Posted 5-11-2016 | 37 comments
A new study has attempted to answer once and for all how lunar phases affect our moods and actions....
UK's first ever robot is set to be rebuilt
Posted 5-11-2016 | 5 comments
A 1920s robot called Eric could soon be making a comeback thanks to the discovery of his original plans....
New '3D walking' robot aces obstacle course
Posted 5-7-2016 | 7 comments
A bipedal robot known as MARLO is able to traverse uneven terrain and objects in its path with ease....

 View: More news in this category
Top   |  Home   |   Forum   |   News   |   Image Gallery   |  Columns   |   Encyclopedia   |   Videos   |   Polls
UM-X 10.7 © 2001-2015
Privacy Policy and Disclaimer   |   Cookies   |   Advertise   |   Contact   |   Help/FAQ