Explained: The Discrete Fourier Transform
Nov 25, 2009 |
4.3 / 5 (26) |
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(PhysOrg.com) -- In 1811, Joseph Fourier, the 43-year-old prefect of the French district of Isčre, entered a competition in heat research sponsored by the French Academy of Sciences. The paper he submitted ...
Implant-based cancer vaccine is first to eliminate tumors in mice
Nov 25, 2009 |
4.7 / 5 (22) |
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(PhysOrg.com) -- A cancer vaccine carried into the body on a carefully engineered, fingernail-sized implant is the first to successfully eliminate tumors in mammals, scientists report this week in the journal ...
Cosmic 'Dig' Reveals Vestiges of the Milky Way's Building Blocks
Nov 25, 2009 |
4.9 / 5 (16) |
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(PhysOrg.com) -- Peering through the thick dust clouds of our galaxy's "bulge" (the myriads of stars surrounding its center), a team of astronomers has unveiled an unusual mix of stars in the stellar grouping ...
Superconductor magnet spacecraft heat shield being developed
11 hours ago |
5 / 5 (15) |
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(PhysOrg.com) -- European space agencies and an aerospace giant are developing a new re-entry heat shield that will use superconductor magnets to generate a magnetic field strong enough to deflect the superhot ...
Monster Waves on the Sun are Real (w/ Video)
Nov 25, 2009 |
4.9 / 5 (15) |
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Sometimes you really can believe your eyes. That's what NASA's STEREO (Solar Terrestrial Relations Observatory) spacecraft are telling researchers about a controversial phenomenon on the sun known as the "solar ...
Plasma produces KO cocktail for MRSA
12 hours ago |
4.9 / 5 (10) |
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MRSA (methicillin-resistant Staphylococcus Aureus) and other drug-resistant bacteria could face annihilation as low-temperature plasma prototype devices have been developed to offer safe, quick, easy and un ...
First-ever blueprint of a minimal cell is more complex than expected
4 hours ago |
5 / 5 (8) |
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What are the bare essentials of life, the indispensable ingredients required to produce a cell that can survive on its own? Can we describe the molecular anatomy of a cell, and understand how an entire organism ...
Cells defend themselves from viruses, bacteria with armor of protein errors
Nov 25, 2009 |
5 / 5 (7) |
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When cells are confronted with an invading virus or bacteria or exposed to an irritating chemical, they protect themselves by going off their DNA recipe and inserting the wrong amino acid into new proteins to defend them ...
Oceanic crust formation is dynamic after all
Space & Earth / Earth Sciences
Nov 25, 2009 |
4.7 / 5 (7) |
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Imagine the Earth's crust as the planet's skin: Some areas are old and wrinkled while others have a fresher, more youthful sheen, as if they had been regularly lathered with lotion.
Design chosen for British 1,000 mph car (w/ Video)
Nov 25, 2009 |
4 / 5 (8) |
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(PhysOrg.com) -- A British team hoping to be the first to get a car to 1,000 mph (1,610 km/h) has made its final design selection. The six-tonne car, known as the Bloodhound, will be powered by a Eurofighter ...
Study Finds Eating Fruits and Vegetables Lowers Risks of Heart Disease
Nov 25, 2009 |
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(PhysOrg.com) -- A new study of adults aged 70 or older found that increased servings of fruits and vegetables were significantly associated with a decrease of cognitive impairment, and that those eating three or more servings ...
Two molecules affecting brain plasticity
Medicine & Health / Neuroscience
Nov 25, 2009 |
4.8 / 5 (6) |
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(PhysOrg.com) -- You wouldn't want a car with no brakes. It turns out that the developing brain needs them, too.
Review: A riff on robotics with self-tuning guitar
Electronics / Consumer & Gadgets
Nov 25, 2009 |
3.7 / 5 (7) |
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(AP) -- New cars have been tuning themselves for the better part of two decades now, so it should feel less impressive that Gibson has built a guitar that can smoothly do the same.
Climate experts debate strategies for reducing atmospheric carbon and future warming
Nov 25, 2009 |
2.9 / 5 (9) |
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(PhysOrg.com) -- Reducing carbon dioxide to safe levels may require extracting carbon from the air, says Cornell climate researcher.
Should I buy a PC or Mac?
22 hours ago |
3.7 / 5 (7) |
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Q. Our 6-year-old PC computer is dying a slow death and we are considering moving to a new iMac but have a few concerns. First, of all, we have several Word documents on our disk drive now that we want to keep and add to ...
