News articles tagged with 'pulse'
Cardiovascular disease can be detected earlier during sleep
— 6 Apr 2011 15:13 | HealthA specially customised pulse oximeter attached to the finger can be used to detect changes in heart and vessel function while you sleep, and this simple technique can even identify…
TWIPS - sonar inspired by dolphins
— 18 Nov 2010 11:15 | TechnologyScientists at the University of Southampton have developed a new kind of underwater sonar device that can detect objects through bubble clouds that would effectively blind standard…
'Slow light' on a chip holds promise for optical communications
— 5 Sep 2010 17:38 | TechnologyA tiny optical device built into a silicon chip has achieved the slowest light propagation on a chip to date, reducing the speed of light by a factor of 1,200 in a study reported in…
For the first time ever, scientists watch an atom's electrons moving in real time
— 5 Aug 2010 09:04 | PhysicsAn international team of scientists led by groups from the Max Planck Institute of Quantum Optics (MPQ) in Garching, Germany, and from the U.S. Department of Energy's Lawrence Berkeley…
Rainbow trapping in light pulses
— 15 Jul 2010 14:43 | PhysicsOver the past decade, scientists have succeeded in slowing pulses of light down to zero speed by letting separate frequency components of the pulse conspire in such a way that a receptive…
Electrons are late starters
— 1 Jul 2010 11:38 | PhysicsWhen physicists search for new semiconductors for chips or lasers, they have been able to rely on sophisticated computer programs - until now. However, it is possible that the models…
How not to blow up a molecule
— 26 Jun 2010 12:55 | BiologyHigh-charge-state ions in a molecule cause strong Coulomb forces, repulsive forces that try to blow its atoms apart. But the research team's crucial finding was that a way to produce…
A look into the interior of molecules
— 9 Jun 2010 17:00 | TechnologyFor the first time ever, a European research team has managed to use attosecond laser pulses to observe the motion electrons in molecules. This report is published in the journal Nature,…
Light controls matter, matter controls x-rays
— 25 Mar 2010 12:34 | TechnologyLike playing a game of scissors-paper-rock, a team of scientists led by Thornton E. (Ernie) Glover of Lawrence Berkeley National Laboratory's Advanced Light Source (ALS), Linda Young…
'Microrings' could nix wires for communications in homes, offices
— 19 Mar 2010 14:52 | TechnologyPurdue University researchers have developed a miniature device capable of converting ultrafast laser pulses into bursts of radio-frequency signals, a step toward making wires obsolete…