China becomes a physics powerhouse
Aug 01, 2008 |
4.5 / 5 (34) |
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Judged by the astonishing increase in journal papers written by scientists in China, there can be little doubt that China is finding its place as one of the world's scientific power houses. Michael Banks, Physics World's News E ...
Probing Question: How do antioxidants work?
Aug 01, 2008 |
4.2 / 5 (27) |
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Blueberries, pomegranates, green tea and dark chocolate -- these are just some of the antioxidant-rich "superfoods" found in almost any supermarket today. As well as improving our general health, there is growing evidence ...
A Brief History of Solar Sails
Space & Earth / Space Exploration
Aug 01, 2008 |
4.7 / 5 (23) |
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sō’lar sāil, n. - A gossamer material that, when unfurled in the vacuum of space, feels the pressure of sunlight and propelled by said pressure may carry a ship among the stars.
The brightest, sharpest, fastest X-ray holograms yet
Aug 01, 2008 |
4.6 / 5 (19) |
0
The pinhole camera, a technique known since ancient times, has inspired a futuristic technology for lensless, three-dimensional imaging. Working at both the Advanced Light Source (ALS) at the U.S. Department ...
New nanotechnology tagging system to help solve gun crime
Nanotechnology / Nanomaterials
Aug 01, 2008 |
3.6 / 5 (24) |
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Criminals who use firearms may find it much harder to evade justice in future, thanks to an ingenious new bullet tagging technology developed in the UK.
Nano sculptures in gold
Aug 01, 2008 |
4.1 / 5 (20) |
1
If someone is charged up, the colour of their face might change, but they don't immediately pull off one of their arms, only to reattach it as a third leg. With some molecules, however, the situation is quite ...
August brings the Perseid meteors and a cluster of planets
Space & Earth / Space Exploration
Aug 01, 2008 |
4.8 / 5 (16) |
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(PhysOrg.com) -- The annual Perseid meteor shower will peak before dawn on Aug. 12. This year the Perseids will be competing with the nearly full moon at first, but after the moon sets there will be many bright ...
Survival of the fittest: even cancer cells follow the laws of evolution
Biology /
Aug 01, 2008 |
4.6 / 5 (14) |
1
Scientists from The Institute of Advanced Studies at Princeton and the University of California discovered that the underlying process in tumor formation is the same as for life itself—evolution. After analyzing a half million ...
Cutting the brakes on the immune system
Aug 01, 2008 |
4.5 / 5 (14) |
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Your immune system may have more in common with a Corvette than you thought. When a virus or bacteria enters a human body, the immune system revs up to fight and expel the invader. Once the invader is gone, the body puts ...
Siemens builds a lock made of light: Data transfer using quantum cryptography
Aug 01, 2008 |
4.5 / 5 (14) |
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(PhysOrg.com) -- Electronic communication is becoming more secure all over the world. Siemens IT Solutions and Services, Austrian Research Centers (ARC) and Graz University of Technology have joined forces ...
Just dive in: Natural product hybrid provides antimicrobial and cell-resistant surfaces
Aug 01, 2008 |
4.2 / 5 (12) |
1
(PhysOrg.com) -- Infections following treatment in clinics, retirement homes, and long-term care facilities are a grave problem for patients, and resistant germs can be particularly devastating.
Boston Hurricane Frequency Over Last Millennium Linked To Ocean Surface Temperatures
Space & Earth / Earth Sciences
Aug 01, 2008 |
2.9 / 5 (17) |
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(PhysOrg.com) -- The frequency of hurricanes striking the Boston area has varied widely over the last millennium, with periods of lowest activity corresponding to cooler surface temperatures in the tropical North Atlantic ...
Hitachi Shows Technical Feasibility Of Perpendicular Magnetic Recording At 610 Gbit/in2
Aug 01, 2008 |
3.7 / 5 (13) |
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Hitachi, Ltd. announced today that it has demonstrated the technical feasibility of magnetic recording at 610 Gbit/in2. This considerably exceeds the previously demonstrated capabilities of current perpendicular recording ...
Tracking down abrupt climate changes
Space & Earth / Earth Sciences
Aug 01, 2008 |
4.6 / 5 (10) |
1
In an article in the scientific magazine Nature Geosciences, the geoscientists Achim Brauer, Peter Dulski and Jörg Negendank, (emeritus Professor) from the GFZ German Research Centre for Geosciences, Gerald Haug from the DF ...
Researchers Discover Dual-Use Sexual Attraction and Population-Control Chemicals in Nematodes
Biology /
Aug 01, 2008 |
5 / 5 (6) |
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(PhysOrg.com) -- Organisms ranging from humans to plants to the lowliest bacterium use molecules to communicate. Some chemicals trigger the various stages of an organism's development, and still others are used to attract ...
