Rotating Space Elevator Propels its Own Load
May 21, 2009 |
4.6 / 5 (44) |
33
(PhysOrg.com) -- The idea of the space elevator just got a little crazier. While the “traditional” concept involved using rocket propulsion or laser light pressure to propel loads up a cable anchored to Earth, ...
Fundamental flaw in transistor noise theory discovered
May 21, 2009 |
4.5 / 5 (20) |
10
(PhysOrg.com) -- Chip manufacturers beware: There's a newfound flaw in our understanding of transistor noise, a phenomenon affecting the electronic on-off switch that makes computer circuits possible. According ...
BPA chemical leaches from plastic drinking bottles into people
May 21, 2009 |
4.5 / 5 (19) |
9
(PhysOrg.com) -- A new study from Harvard School of Public Health (HSPH) researchers found that participants who drank for a week from polycarbonate bottles, the popular, hard-plastic drinking bottles and ...
Five-Dimensional DVD Could Hold Data of 30 Blu-ray Discs
May 21, 2009 |
4.4 / 5 (18) |
14
(PhysOrg.com) -- While many people think that Blu-ray will replace DVDs in the near future, a new study shows that DVDs may still have a lot to offer. Researchers have designed a five-dimensional DVD that ...
The cosmos is green: Researchers catch nature in the act of 'recycling' a star (w/Animations)
May 21, 2009 |
4.4 / 5 (17) |
12
(PhysOrg.com) -- For the first time, researchers have observed a singular cosmic act of rebirth: the transformation of an ordinary, slow-rotating pulsar into a superfast millisecond pulsar with an almost infinitely ...
Opportunity Rover Sees Variable Environmental History at Martian Victoria Crater
Space & Earth / Space Exploration
May 21, 2009 |
4.8 / 5 (12) |
2
(PhysOrg.com) -- One of NASA's two Mars rovers has recorded a compelling saga of environmental changes that occurred over billions of years at a Martian crater.
Wings that waggle could cut aircraft emissions by 20 percent
May 21, 2009 |
4.8 / 5 (12) |
5
Wings which redirect air to waggle sideways could cut airline fuel bills by 20% according to research funded by the Engineering and Physical Sciences Research Council (EPSRC) and Airbus in the UK.
Using 'dominance' to explain dog behavior is old hat
May 21, 2009 |
3.4 / 5 (15) |
9
(PhysOrg.com) -- A new study shows how the behaviour of dogs has been misunderstood for generations: in fact using misplaced ideas about dog behaviour and training is likely to cause rather than cure unwanted ...
Vitamin D found in fish boosts brain power
May 21, 2009 |
4.8 / 5 (9) |
0
Eating fish -- long considered 'brain food' -- may really be good for the old grey matter, as is a healthy dose of sunshine, new research suggests.
Better science, please
May 21, 2009 |
5 / 5 (8) |
5
Just when you thought that the industry that made money on bisphenol A could not have been any cozier with the federal agency regulating the chemical comes another revelation. Cozy? How about joined at the hip?
How Flip-Flops, Baseball Caps Can Raise Your Skin Cancer Risk
May 21, 2009 |
3 / 5 (12) |
15
(PhysOrg.com) -- Cheap, convenient and casual, baseball caps and flip-flops have acquired a trendy charm. Those qualities have made them must-wear accessories for teens, outdoor enthusiasts, gardeners or anyone trying to ...
NASA eyes water in Moon mission
Space & Earth / Space Exploration
May 21, 2009 |
4.4 / 5 (7) |
9
NASA on Thursday said it was on target for a June mission to scour the Moon's surface for landing sites and water that would allow humans to work and even live on Earth's nearest neighbor.
Back to basics: Scientists discover a fundamental mechanism for cell organization (w/Video)
May 21, 2009 |
4.8 / 5 (6) |
0
Scientists have discovered that cells use a very simple phase transition -- similar to water vapor condensing into dew -- to assemble and localize subcellular structures that are involved in formation of the embryo.
Anti-inflammatory effect of 'rotten eggs' gas
May 21, 2009 |
5 / 5 (5) |
0
Researchers from the Peninsula Medical School in Exeter have synthesized a new molecule which releases hydrogen sulfide (H2S) - the gas that gives rotten eggs their characteristic smell and which has recently been found to b ...
Scientists fight cancer with nanotechnology
Nanotechnology / Bio & Medicine
May 21, 2009 |
5 / 5 (5) |
1
(PhysOrg.com) -- Nanotechnology researchers at the University of Arkansas at Little Rock have developed a method of detecting, tracking, and killing cancer cells in real time with carbon nanotubes.
