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TOKYO (AFP) Mar 26, 2003 ![]() |
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Doomed Matter Near Black Hole Gets Second Lease on Life![]() Supermassive black holes, notorious for ripping apart and swallowing stars, might also help seed interstellar space with the elements necessary for life, such as hydrogen, carbon, oxygen and iron, scientists say. Cosmic Forensics Confirms Gamma-Ray Burst And Supernova Related ![]() Scientists announced today that they have used NASA's Chandra X-ray Observatory to confirm that a gamma-ray burst was connected to the death of a massive star. This result is an important step in understanding the origin of gamma-ray bursts, the most violent events in the present-day Universe. Next Midex Mission To Study Aurora ![]() A swarm of spacecraft, designed to fly through the space storms that cause aurora, has been chosen as the next mission in NASA's MIDEX program. "The Explorer program allows the science community to identify the most compelling science questions and then design the most effective mission to answer those questions," said Edward Weiler, Associate Administrator for Space Science at NASA. |
Measurements Show Silicon Nanospheres Among Hardest Known Materials![]() University of Minnesota researchers have made the first-ever hardness measurements on individual silicon nanospheres and shown that the nanospheres' hardness falls between the conventional hardness of sapphire and diamond, which are among the hardest known materials. Building Nano Composites For Space Applications ![]() A microscopy technique originally developed to image the molecular-scale topography of surfaces is now helping engineers choose the right materials for a new generation of lightweight high-strength composites based on carbon nanotubes. New Technique Offers "Plumbing" For Microfluid Factories ![]() Researchers at the University of Illinois at Urbana-Champaign have devised a new method for fabricating three-dimensional "plumbing" for fluids in millimeter-sized devices, using a robotic pen to draw the pipes with specialized ink. |
DNA-repair protein functions differently in different organisms![]() Plants, pond scum, and even organisms that live where the sun doesn't shine have something that humans do not -- an enzyme that repairs DNA damaged by ultraviolet (UV) light. Scientists Find Evidence For Crucial Root In The History Of Plant Evolution ![]() If ancient plants had not migrated from the shallow seas of early Earth to the barren land of the continents, life as we know it might never have emerged. And now it appears this massive floral colonization may have been spurred by a single genetic mutation that allowed primitive plants to make lignin, a chemical process that leads to the formation of a cell wall. Biofuel Cell Could Replace Rechargeable Batteries ![]() From scientists at Saint Louis University comes a gadget fit for a James Bond movie. Imagine 007 sauntering up to the bar, ordering his trademark martini (shaken, not stirred) and, before taking a sip, topping off his cell phone with a few drops of alcohol to recharge the battery. |
NASA Study Finds Increasing Solar Trend That Can Change Climate![]() Since the late 1970s, the amount of solar radiation the sun emits, during times of quiet sunspot activity, has increased by nearly .05 percent per decade, according to a NASA funded study. Pasteur: Payload Opportunities To Search For Life On Mars ![]() As part of ESA's long-term Aurora programme to prepare for future human missions, ExoMars will deploy a high-mobility rover on the Martian surface and payload opportunities are open to investigators from all countries.. Time To Cut The Umbilical Cord And Roar Into Space ![]() In a recent "Opinion Space" article, one bright man asked the (valid) question "Is The Shuttle Fatally Flawed?" The answer can only be: yes (with an asterisk *) writes Jeff Wright. |
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