News articles tagged with 'resonator'
A smarter way to make ultraviolet light beams
— 2 Dec 2011 10:56 | TechnologyExisting coherent ultraviolet light sources are power hungry, bulky and expensive. University of Michigan researchers have found a better way to build compact ultraviolet sources with…
How long does a tuning fork ring?
— 9 Mar 2011 18:20 | TechnologyFrom the wooden bars in a xylophone or the head of a drum, to the strings and sound box of a guitar or violin, musical instruments are the most familiar examples of mechanical resonators.…
Now you see it, now you don't
— 22 Jul 2010 11:05 | TechnologyFrom Tolkien's ring of power in The Lord of the Rings to Star Trek's Romulans, who could make their warships disappear from view, from Harry Potter's magical cloak to the garment that…
By 'putting a ring on it,' microparticles can be captured
— 21 Jul 2010 07:42 | TechnologyTo trap and hold tiny microparticles, engineers at Harvard have 'put a ring on it,' using a silicon-based circular resonator to confine particles stably for up to several minutes…
Tiny whispering gallery
— 19 Dec 2009 10:22 | TechnologyNanotechnology has already made it to the shelves of your local pharmacy and grocery: nanoparticles are found in anti-odour socks, makeup, makeup remover, sunscreen, anti-graffiti paint,…
Caltech physicists create first nanoscale mass spectrometer
— 23 Jul 2009 16:55 | TechnologyUsing devices millionths of a metre in size, physicists at the California Institute of Technology (Caltech) have developed a technique to determine the mass of a single molecule, in…
Mechanics: Ordinary meets quantum
— 22 Jun 2009 14:37 | TechnologyAt the quantum level, the atoms that make up matter and the photons that make up light behave in a number of seemingly bizarre ways. Particles can exist in 'superposition,' in more…
Detecting tiny twists with a nanodevice
— 2 Nov 2008 20:18 | TechnologyScientists at Boston University working with collaborators in Germany, France and Korea have developed a nanoscale torsion resonator that measures miniscule amounts of twisting or torque…
Atomic laser light cools microchip
— 14 Apr 2008 11:23 | PhysicsMacroscopic objects follow the laws of classical physics, microscopic objects obey the laws of quantum mechanics. This is for sure. But at what point does a system stop to behave classically…
'Metafilms' can shrink radio devices
— 19 Mar 2008 13:06 | PhysicsRecent research at the National Institute of Standards and Technology (NIST) has demonstrated that thin films made of 'metamaterials' - manmade composites engineered to offer strange…