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Einstein News
Laser Signal Transmission Tames Atmospheric Distortion
PERTH, Australia, Jan. 25, 2021 — Researchers from the International Centre for Radio Astronomy Research (ICRAR) and the University of Western Australia (UWA) claimed a world record for what the team is calling the most stable transmission of a laser signal through the atmosphere....
LIGO Identifies Second Gravitational Wave Event
LIVINGSTON, La., and HANFORD, Wash., June 15, 2016 — The LIGO Scientific Collaboration has reported identification of a second gravitational wave event in the data from Advanced LIGO detectors. On December 26, 2015 at 03:38:53 UTC, scientists observed gravitational waves — ripples in the fabric...
LIGO Awarded Special Breakthrough Prize in Fundamental Physics
SAN FRANCISCO, May 9, 2016 — The Laser Interferometer Gravitational-Wave Observatory (LIGO) operated by Caltech and the Massachusetts Institute of Technology has been awarded the Special Breakthrough Prize in Fundamental Physics. Designed to open the field of gravitational-wave...
Interferometric Systems Detect Gravitational Waves
LIVINGSTON, La., and HANFORD, Wash., Feb. 12, 2016 — The observation of gravitational waves — described as ripples in the fabric of spacetime — arriving at the earth confirms a major prediction of Albert Einstein’s 1915 general theory of relativity. The gravitational waves were...
Celestial light switch reveals lunar ranging data
May 5, 2014 — When certain members of the universe play a linear game of hide-and-seek, humans pay attention: Many don special solar glasses; others stay up late to catch sight of a burnt-orange moon. Solar and lunar eclipses are sights to behold, appearing just...
Surprising Quantum Source Yields Info Advantage
SINGAPORE, Aug. 13, 2012 — Quantum entanglement may not always be necessary to run quantum computers, new research suggests. Moreover, technologies discovered over the past few years can gain a quantum advantage without entanglement.
Neutrino Study Contradicts Faster-Than-Light Findings
ROME, Nov. 21, 2011 — A new study contradicts findings earlier this fall that neutrinos could travel faster than light. At the end of September, scientists in the OPERA experiment at the Gran Sasso laboratory in Italy said neutrinos from Switzerland’s CERN research...
Can Neutrinos Travel Faster Than Light?
GENEVA, Sept. 28, 2011 — The news from researchers with the international OPERA experiment that they found neutinos can travel faster than the speed of light was greeted with both admiration and skepticism at a press conference in Geneva last week. The OPERA experiment...
Lifetime of Excited Atoms Measured
COPENHAGEN, Denmark, Sept. 15, 2011 — The lifetime of an excited magnesium atom has been successfully determined to be half an hour — the longest ever measured in a laboratory. These results will impact the development of ultraprecise atomic clocks. In the experiment, atomic...
Tabletop Accelerator Successfully Simulated
BERKELEY, Calif., March 28, 2011 — Full 3-D simulations of a tabletop laser-plasma wakefield accelerator were achieved in just a few hours of supercomputing time. As conventional accelerators like CERN’s Large Hadron Collider grow ever more vast and expensive, the best hope for...
It’s High ’Noon’ for Microwave Photons
SANTA BARBARA, Calif., Feb. 15, 2011 — An important milestone toward the realization of a large-scale quantum computer — and further demonstration of a new level of the quantum control of light — was accomplished by a team of scientists at UC Santa Barbara and China and Japan.
Atom Interferometer Tests Redshift
BERKELEY, Calif., Feb. 19, 2010 - While airplane and rocket experiments have proved that gravity makes clocks tick more slowly – a central prediction of Albert Einstein’s general theory of relativity – a new experiment in an atom interferometer measures this slowdown 10,000 times...
2010 Wolf Prize Winners Announced
JERUSALEM, Feb. 16, 2010 – Three scientists will share the 2010 Wolf Foundation Prize in Physics for their contributions to the foundation of quantum physics, specifically for an increasingly sophisticated series of tests of Bell’s inequalities or extensions there of using...
UV Pulses for Quantum Computing
MUNICH, Germany, Feb. 11, 2010 – Photons are promising candidates for investigating quantum systems. German researchers demonstrated a new method for generating intense, ultrashort light pulses in the ultraviolet...
Quantum Entanglement
PASADENA, Calif., Dec. 23, 2009 – A new paradigm that should allow scientists to observe quantum behavior in small mechanical systems has been realized by researchers at California Institute of Technology (Caltech). Their ideas offer a new means of addressing one of the most...
Photon Race Ends in Dead Heat
STANFORD, Calif., Oct. 29, 2009 – Racing across the universe for the last 7.3 billion years, two gamma-ray photons arrived at NASA’s orbiting Fermi Gamma-ray Space Telescope within nine-tenths of a second of one another. The dead-heat finish may stoke the fires of debate among...
Laser Pulse Produces Positrons
LIVERMORE, Calif., Nov. 18, 2008 -- More than 100 billion particles of antimatter have been created by using a short-pulse, ultraintense laser to irradiate a gold sample the size of the head of a push pin. The antimatter, also known as positrons, shoots out of the target in a...
New Optics Field Emerges
WEST LAFAYETTE, Ind., Oct. 16, 2008 -- A new research field called transformation optics may usher in a host of radical advances including a cloak of invisibility and ultrapowerful microscopes and computers by harnessing nanotechnology and "metamaterials." The field, which applies...
Galactic Theory of Relativity
WEST LAFAYETTE, Ind., July 10, 2008 – Turns out Einstein was right - go figure. His general theory of relativity has recently been confirmed by a group of researchers that used a unique binary pulsar star system to confirm his findings that were originally published in 1916. ...
Black Holes Make Light Echo
GREENBELT, Md., Jan. 11, 2008 -- It’s well known by astrophysicists that black holes can slow time to a crawl and tidally stretch large objects into spaghetti-like strands. But according to new theoretical research, the wrenching gravity just outside the outer boundary of a black...
Duo Claims Light Speed Broken
KOBLENZ, Germany, Aug. 20, 2007 -- German physicists are reporting they have broken the speed of light through quantum optics, but at least one expert in the field is disputing their claim. According to Albert Einstein's special theory of relativity, nothing can exceed the speed...
Random Walks of Ellipsoids Described
PHILADELPHIA, Nov. 22, 2006 -- The Brownian motion of an isolated ellipsoidal particle has been definitively measured and described, completing a path laid out by Einstein 100 years ago when he first described rotational Brownian motion for spheres in water. Brownian motion,...
Diverse Topics on OSA Meeting Agenda
Sep 27, 2005 — WASHINGTON, Sept. 27 -- Einstein, attosecond-speed cameras and the mysterious moon Titan will be among the topics at Frontiers in Optics 2005, the 89th Annual Meeting of the Optical Society of America. The meeting will be held Oct. 16-20 in Tucson,...
Heee - ee - re’s Einstein!
Apr 1, 2005 — Einstein’s theories have been presented and debated in many forms and forums, but a performing group called punkscience may be the first to present them as a comedy act. The team, which includes actors, a clown, a writer and a musician, will present...
(24 results found)
May 2024
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