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Technology Research News October 6, 2004 Eric Smalley |
Atomic clock to sync handhelds Its physics package, or atomic works, is about the size of a grain of rice, making it potentially easy to mass produce and integrate with hand-helds and other electronics. It is accurate within 25 microseconds per day, or about a second per 126 years. |
Chemistry World October 2008 Philip Ball |
Column: The Crucible Redefining one second of time. |
Technology Research News December 15, 2004 Eric Smalley |
Light clock promises finer time Researchers have made a prototype atomic clock that divides time on optical radiation, rather than microwave radiation. Such clocks could eventually improve global positioning systems, make space exploration more accurate, and more accurately test the laws of physics. |
IEEE Spectrum January 2009 Mark Anderson |
U.S. Energy Secretary Steven Chu's Latest Experiment Chu's atom interferometer could lead to GPS without the satellites to monitor earthquake zones, map out undiscovered mineral resources, and search for elusive gravitational waves. |
IEEE Spectrum May 2005 Linda Geppert |
Move Over, Quartz The atomic clock gets smaller and cheaper. |
Wired December 2001 |
Optical Atomic Clock The optical clock signals a paradigm shift: It measures time using the femtosecond -- one-quadrillionth of a second -- making it potentially 1,000 times more precise than today's time leader... |
Chemistry World July 15, 2014 Philip Ball |
Molecular clocks may probe fundamental laws A new proposal for using molecules rather than atoms for ultra-precise measurement of frequencies could help to probe whether there are fundamental laws of physics beyond the ones we know already. |
Technology Research News June 30, 2004 |
Chip protects single atoms Researchers have found a way to closely control the quantum states, or traits, of single atoms trapped in a microchip. The method is a step toward building devices like miniature atomic clocks that are an order of magnitude more accurate than those that exist today. |
IEEE Spectrum May 2012 Rachel Courtland |
The Kilogram, Reinvented Two difficult experiments are poised to remake one of the world's most fundamental units |
Chemistry World February 15, 2012 Simon Hadlington |
Consistent Avogadro number a step nearer Chemical metrologists in Canada have made the most accurate measurement of silicon's molecular weight to date in a bid to derive a consistent and internationally acceptable figure for the Avogadro constant. |
Chemistry World January 27, 2014 Andrea Sella |
Essen's clock Louis Essen (1908 -- 1997) was a UK physicist who developed high-precision metrology and invented the quartz ring clock and the caesium standard atomic clock |
Chemistry World August 10, 2012 Nina Notman |
Tweaked weighing scales help map the island of stability The mass of the heavy element lawrencium has been measured directly for the first time by German scientists. |
Chemistry World July 22, 2008 |
Weighing Molecules with Nanotubes US scientists have made a nanoscale mass sensor which can weigh molecules with atomic precision. |
Technology Research News December 1, 2004 |
Demo Advances Quantum Networking Researchers have transferred information stored in the properties of a cloud of rubidium atoms to the properties of a single photon. The ability to transfer information from atoms to photons is needed for quantum computers. |
Chemistry World February 10, 2010 Simon Hadlington |
Inching towards the island of stability An international team of researchers has for the first time directly measured the mass of an element heavier than uranium. |
Scientific American November 14, 2005 Wendy M. Grossman |
Wait a Second Official timekeeping may depend on atoms, not day-night cycles. |
Technology Research News September 24, 2003 Eric Smalley |
Laser made from single atom The simplest possible laser -- a single atom -- has been on the drawing board for decades. Researchers have finally achieved the extremely precise control needed to make a laser from just one atom. The first demonstration of a single-atom laser showed that it's a different animal -- it produces quantum light. |
Chemistry World March 26, 2015 Matthew Gunther |
Neutron -- proton mass imbalance put on the quantum scales Scientists in Germany have calculated this value to a high level of precision and may also be able to explain why it even exists in the first place. |
Science News January 5, 2008 |
Timeline: From the January 1, 1938, issue Industry's giants are industry's children... New "X" particle should have no fixed mass... Expedition to seek age of the Panama Isthmus... |
BusinessWeek March 15, 2004 John Carey |
Physics: "Putting The Weirdness To Work" Scientists say quantum materials will be the basis for amazing devices, but when? |
Technology Research News April 9, 2003 Eric Smalley |
Fiber loop makes quantum memory A relatively simple device that sends individual photons cycling through a fiber-optic loop could provide the memory needed to make ultra powerful computers that use the quantum states of light as bits. |
Military & Aerospace Electronics March 2010 |
Aeroflex Colorado Springs Unveils UT7R2XLR816 Clock Network Manager Aeroflex Colorado Springs announced production of its UT7R2XLR816 Clock Network Manager, featuring eight independently programmable output banks. |
IEEE Spectrum August 2006 Alexander Hellemans |
Engineering Warms To Frozen Light Separate groups in the U.S. and Europe say that they have built and successfully tested more compact, rugged, and efficient means of delaying light pulses. Their work may clear the way for applications in optical switching and quantum communications. |
Technology Research News January 14, 2004 |
Atoms make quantum coprocessor Researchers from Brussels Free University in Belgium (ULB) and the Niels Bohr Institute in Denmark have shown that the collective spin of clouds of atoms can be used to compute. |
IEEE Spectrum May 2010 Neil Savage |
The Laser at 50 It's the golden anniversary of this fundamental technology |
Chemistry World January 16, 2012 Kate McAlpine |
Stripped down spectroscopy to probe single molecules Spectroscopy, a key method of identifying atoms and molecules with light, has been taken to its most fundamental level - a single photon absorbed by a single molecule. |
Chemistry World November 10, 2008 Hayley Birch |
Nanotube scales challenge mass spectrometers By precisely measuring tiny fluctuations in mass, carbon nanotubes will allow chemists to follow reactions of individual proteins atom by atom, predict Spanish researchers |
Scientific American May 2009 George Musser |
Mapping the Universe with Helium A new way to squeeze information from the microwave background. |
Industrial Physicist Aug/Sep 2004 Eric J. Lerner |
News: Plasmon microscopy A new technique allows far-field optical microscopy with resolutions well below the wavelength of light. |
IEEE Spectrum January 2009 Saswato Das |
Ion Teleportation Scheme Could Scale Up Quantum Computers Scientists have teleported the quantum state of one trapped ion onto another a meter away |
Chemistry World July 21, 2015 Simon Hadlington |
Refining Avogadro's number on way to new kilo A new milestone has been passed on the way to redefining the kilogram in terms of Planck's constant by 2018. |
Technology Research News April 6, 2005 |
Trapped Light Pulses Interact Researchers at Harvard University have showed that light pulses can be trapped and held in a rubidium vapor and made to interact with one another. The method could eventually be used in quantum cryptographic and quantum computing schemes. |
Chemistry World February 21, 2008 Simon Hadlington |
Taking the Measure of Atomic Friction Scientists in the US and Germany have successfully used an atomic force microscope to determine exactly how much effort is needed to drag a single atom of cobalt across the surface of different metals. |
Industrial Physicist Jennifer Ouellette |
Quantum Key Distribution Several companies have focused on bringing one aspect of quantum communications to market, quantum key distribution, used to exchange secret keys that protect data during transmission. |
Technology Research News May 4, 2005 |
Noisy Snapshots Show Quantum Weirdness Researchers have devised a relatively simple way to detect a pair of entangled, or linked atoms. The detection ability advances quantum computer and quantum communications research. |
Chemistry World June 26, 2015 Ida Emilie Steinmark |
Molecular machinery behind circadian clock's ticking revealed Scientists may have found the key mechanisms that govern the cyanobacterial circadian clock, whose astonishing slowness has baffled investigators for decades. |
Chemistry World January 10, 2013 Holly Sheahan |
Manipulating microswimmers US scientists have found a way to control the direction of microscopic swimming robots using lasers. This is the first time that anyone has used a method like this to control a microscale particle in solution, they say. |
Technology Research News December 1, 2004 Eric Smalley |
Pure Silicon Laser Debuts Researchers have made a prototype laser from silicon. The laser is tunable, meaning it can lase in a range of wavelengths, or colors, and it works at room temperature. |
Technology Research News June 2, 2004 Eric Smalley |
Atom-Photon Link Demoed Getting atoms and photons to exchange information is crucial for many quantum computer designs. The first verified atom-photon entanglement shows that it's not so hard to do, as long as you can accept a low success rate. |
Technology Research News March 10, 2004 |
Atom spouts photons on demand California Institute of Technology researchers have fashioned a single atom into a light source that generates single photons on demand. |
Scientific American November 2008 David Appell |
Planck Satellite Mission Set to Explore Cosmic Secrets Planck mission promises to pierce inflation and other cosmic secrets |
Wired October 2001 Wil McCarthy |
Ultimate Alchemy Research into artificial atoms could lead to one startling endpoint: programmable matter that changes its makeup at the flip of a switch... |
Scientific American November 2008 George Musser |
New Quantum Weirdness: Balls That Don't Roll Off Cliffs Quantum particles continue to behave in ways traditional particles do not |
Technology Research News August 11, 2004 |
Single gold atoms altered The gold atom, positioned on an ultrathin film of sodium chloride, remained stable during the operation, despite the change in charge. |
Science News July 16, 2005 |
From the July 13, 1935, Issue Soundproofing Gives Wall Look of Underground Cave... Professor Albert Einstein Announces a New Theory... Expansion of Universe Sole Explanation of Red Shift... |
Chemistry World January 8, 2014 Philip Ball |
We choose to go to the muon Chemists Mohammad Goli and Shant Shahbazian posit two new light elements. They are muonium (Mu), in which an electron orbits a positively charged muon ( +), and muonic helium (He ), in which an electron orbits a 'nucleus' consisting of an alpha particle and a negative muon. |
Science News February 15, 2003 |
TimeLine: February 11, 1933 Yellow sodium light effective outdoors... Tuning in on atomic hearts makes their breaking easier... Einstein develops quantum mechanics in latest paper |
Technology Research News December 15, 2004 |
Light Writes Info Into Atoms Researchers have demonstrated that it is possible to transfer information encoded in the properties of photons to atoms. |
IEEE Spectrum December 2008 Saswato R. Das |
Physicists Invent a Chip That Stores a Photon's Quantum State A step toward the "quantum repeaters" needed to make long-distance quantum-cryptography networks |
Chemistry World August 21, 2014 David Bradley |
A new gold standard for nano The latest work confirms gold clusters can have super atomic and molecular characteristics. |