News tagged with clock
How exposure to irregular light affects plant circadian rhythms
Scientists know that plants can actually "sense" day length, and "schedule" their growth to coincide with specific environmental conditions. These natural events are based on the circadian clock, a 24-hour ...
Dec 14, 2011 |
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New generation GPS satellite starts tests in Colo.
A $5.5 billion upgrade to the Global Positioning System moved a step closer to launch this week when a prototype arrived at a Lockheed Martin complex in Colorado to begin months of tests.
Dec 13, 2011 |
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Russian spacecraft delivers new crew to ISS
A spacecraft carrying two Russians and an American docked Wednesday with the International Space Station in the first Russian manned mission for five months after a spate of technical failures.
Space & Earth / Space Exploration
Nov 16, 2011 |
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Researchers identify structure of circadian clock protein
(PhysOrg.com) -- Feeling jet-lagged? You may need your internal clock reset. New Cornell research has taken a major step toward treating jet lag and other more serious syndromes by advancing our understanding ...
Nov 15, 2011 |
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Research team shows skin stem cells run by circadian clock
(PhysOrg.com) -- Most everyone has heard of the circadian rhythm or the internal clock that people have that tells them when to do things, such as go to sleep. In fact, researchers have actually located where this “clock” ...
Nov 10, 2011 |
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Research team shows nuclear clock could be 60 times more accurate than atomic clock
(PhysOrg.com) -- For almost sixty years, the world has considered the atomic clock the gold standard for keeping time. Its accuracy is such that it drifts by only about four seconds over a period of about ...
Nov 09, 2011 |
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Nobel Prize-winning physicist Norman Ramsey dies
(AP) -- Norman Ramsey, who shared the 1989 Nobel Prize in physics for his research into molecules and atoms that led to the creation of the atomic clock, has died in Massachusetts. He was 96.
Nov 07, 2011 |
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Putting artificial atoms on the clock
Around the turn of the century, scientists began to understand that atoms have discrete energy levels. Within the field of quantum physics, this sparked the development of quantum optics in which light is ...
Nov 07, 2011 |
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Scientists meet to discuss usefulness of GMT
Leading scientists from around the world are meeting in Britain from Thursday to consider a proposal that could eventually see Greenwich Mean Time relegated to a footnote in history.
Nov 03, 2011 |
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Woods, yes, but as before, no
Though the transformation of farm fields into forests over the past century amounts to a New England conservation victory, a Harvard forest expert said Thursday that turning back the environmental clock and ...
Oct 31, 2011 |
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Long-held belief debunked: Cycad is not a 'Dinosaur Plant'
(PhysOrg.com) -- The widely held belief today's cycads are 'dinosaur plants' and were around during dinosaur times has been categorically debunked in a breakthrough study of international significance.
Oct 20, 2011 |
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Wakey, wakey! Wake up refreshed with a brain-monitoring alarm clock
We all know the feeling, the short, sharp shock of waking to the sound of an alarm clock. Whether the traditional clattering metal bells, the incessant beeping of digital or the dulcet tones of today's radio news reader. ...
Oct 20, 2011 |
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NASA to test new atomic clock
When people think of space technologies, many think of solar panels, propulsion systems and guidance systems. One important piece of technology in spaceflight is an accurate timing device.
Space & Earth / Space Exploration
Oct 17, 2011 |
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Factfile on Galileo, Europe's rival to GPS
Following is a snapshot of Europe's Galileo space-based navigation system, the first satellites of which are scheduled to be launched on Thursday from Kourou, French Guiana.
Space & Earth / Space Exploration
Oct 16, 2011 |
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Differences in jet lag severity could be rooted in how circadian clock sets itself
It's no secret that long-distance, west-to-east air travel – Seattle to Paris, for example – can raise havoc with a person's sleep and waking patterns, and that the effects are substantially less pronounced when ...
Oct 13, 2011 |
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