Posts Tagged ‘physics’
Nanospheres trap light and hold on longer
STANFORD (US) — Engineers have created photovoltaic nanoshells that harness a peculiar physical phenomenon to better trap light. Continue…
Thursday, February 9, 2012 13:25 - 0 Comments
Science & Technology - Jan 26, 2012 18:06 - 0 Comments
33,000-year-old teeth from domesticated dog
U. ARIZONA (US) — An ancient dog skull, preserved in a cave in the Altai Mountains of Siberia for 33,000 years, presents some of the oldest known evidence of dog domestication, say researchers. (more…)
Science & Technology - Jan 25, 2012 13:43 - 1 Comment
Replica of Trojan asteroids fits in single atom
RICE (US) — Physicists have built an accurate model of part of the solar system inside a single atom of potassium. (more…)
Science & Technology - Jan 12, 2012 12:24 - 0 Comments
Milky Way is ‘white as snow’
U. PITTSBURGH (US) — The most accurate determination yet of the color of the Milky Way galaxy finds it is pure white—”almost mirroring a fresh spring snowfall,” astrophysicists say. (more…)
Top Stories - Jan 12, 2012 2:04 - 0 Comments
Odd eclipse reveals ‘Saturn on steroids’
U. ROCHESTER (US) — A team of astrophysicists has discovered a Saturn-like ring system in the constellation Centaurus. (more…)
Top Stories - Jan 9, 2012 17:50 - 2 Comments
‘Time cloak’ makes event vanish
CORNELL (US) — Researchers have demonstrated a “temporal cloak”—albeit on a very small scale—in the transport of information by a beam of light. (more…)
Top Stories - Jan 3, 2012 9:46 - 1 Comment
MRI: Quantum computing meets medicine
U. PITTSBURGH (US) — A new study advances toward nanoscale MRI instruments that could study the properties of specific molecules in a noninvasive way. (more…)
Science & Technology - Dec 29, 2011 11:15 - 0 Comments
Laser ‘egg carton’ traps giant atoms
U. MICHIGAN (US) — With an “egg carton” of laser light, physicists can trap giant Rydberg atoms with up to 90 percent efficiency. (more…)
Science & Technology - Dec 19, 2011 14:47 - 0 Comments
Early black holes gorged on ‘fast food’
CARNEGIE MELLON (US) — The largest cosmological simulation ever conducted shows that a steady diet of cold dense gas caused the rapid growth of the early supermassive black holes. (more…)
Science & Technology - Dec 15, 2011 11:18 - 3 Comments
Fastest-ever data transfer: 186 Gbps
CALTECH (US) — Researchers have set a new world record for data transfer, helping to usher in the next generation of high-speed network technology. (more…)
Science & Technology - Dec 14, 2011 21:00 - 0 Comments
Massive black holes may be quasar relics
U. MICHIGAN (US) — Two newly discovered black holes that are 10 billion times the mass of the sun—the largest ever found—may be the fossil remains of quasars from the early universe. (more…)
Top Stories - Dec 9, 2011 11:26 - 3 Comments
Snowflake science: Why so thin and flat?
CALTECH (US) — New research from “snowflake guru” Kenneth Libbrecht sheds light on the mystery of why “stellar” snowflakes wind up so thin and flat. (more…)
Top Stories - Dec 8, 2011 9:44 - 0 Comments
Star’s ultrafast spin nearly tears it apart
UC SANTA BARBARA (US) — Researchers have found a massive star spinning around its axis at the speed of 600 kilometers per second at the equator—the fastest rotation recorded. (more…)
Science & Technology - Dec 6, 2011 14:44 - 2 Comments
Massive black holes shatter record
U. TORONTO (CAN) — An international team of astronomers has discovered two gigantic black holes with masses about 10 billion times the mass of our sun. (more…)
Science & Technology - Dec 6, 2011 13:09 - 0 Comments
Molecules fit together to form random tiles
U. NOTTINGHAM (UK) — Scientists have discovered they can prompt tiny flat molecules to fit together in a seemingly random pattern by adjusting the conditions in which the experiment is conducted. (more…)
Science & Technology - Dec 1, 2011 7:52 - 1 Comment
Better electronics? Start with the switch
U. PITTSBURGH (US) — A new type of switch that performs logic functions within a single molecule could mean smaller, faster, and more efficient electronics. (more…)
Science & Technology - Nov 29, 2011 18:10 - 0 Comments
Physicists set limit on dark matter mass
BROWN (US) — Physicists have set the strongest limit for the mass of dark matter, the mysterious particles believed to make up nearly a quarter of the universe. (more…)
Science & Technology - Nov 21, 2011 12:05 - 0 Comments
Light switched on and off with few photons
CORNELL (US) — The passage of a light beam through an optical fiber can be controlled by just a few photons of another light beam, new research demonstrates. (more…)
Top Stories - Nov 10, 2011 10:54 - 0 Comments
Apply heat. Watch materials shrink
CALTECH (US) — Most materials expand when heated, but a few actually contract. Now engineers have figured out how one of these curious materials does the trick. (more…)
