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Quantum Tunneling Is The Secret To Alcohol Reactions In Space
2013-06-30 12:56:40

John P. Millis, Ph.D. for redOrbit.com - Your Universe Online Understanding chemical reactions in space is incredibly difficult. First of all, the extremely cold temperatures would all but preclude most chemicals mixing, as there is simply insufficient energy to ignite the reactions. Yet, observational data suggests that complex compounds are being created in this inhospitable environment. Now, however, a new study reveals that a quantum effect known to be the key in stellar physics may...

2013-06-17 09:52:57

The noble gases get their collective moniker from their tendency toward snobbishness. The six elements in the family, which includes helium and neon, don't normally bond with other elements and they don't dissolve into minerals the way other gases do. But now, geochemists from Brown University have found a mineral structure with which the nobles deign to fraternize. Researchers led by Colin Jackson, a graduate student in geological sciences, have found noble gases to be highly soluble in...

Quantum-Memory In Atoms
2013-02-28 14:32:19

Vienna University of Technology Order tends towards disorder. This is also true for quantum states. Measurements at the Vienna University of Technology show that in quantum mechanics this transition can be quite different from what we experience in our daily lives. Ice cubes in a cocktail glass melt until an equilibrium state is reached in which the ice cubes are gone. After that, the geometric shape of the ice cubes is completely lost. The liquid does not contain any memory of their...

New Atomic Gas Goes Below Absolute Zero
2013-01-05 06:05:41

April Flowers for redOrbit.com - Your Universe Online People take it for granted in most northern climes the temperatures will drop below zero at some point during the winter. What is normal in nature is impossible in physics: a minus temperature. Minus temperatures are only surprising on the Celsius scale during the summer. On the Kelvin, or absolute temperature scale used by physicists, it is impossible to go below zero. At least, it is impossible to get colder than zero Kelvin....

Shock Tube Used By Researchers For Insight Into Physics Early In Blasts
2012-11-27 12:45:38

Sandia National Laboratories Sandia´s one-of-a-kind multiphase shock tube began with a hallway conversation that led to what engineer Justin Wagner describes as the only shock tube in the world that can look at how shock waves interact with dense particle fields. The machine is considered multiphase because it can study shock wave propagation through a mixture of gas and solid particles. Shock tubes – machines that generate shock waves without an explosion – have...


Word of the Day
abrosia
  • Wasting away as a result of abstinence from food.
The word 'abrosia' comes from a Greek roots meaning 'not' and 'eating'.