News tagged with density data
Space Image: A Beehive of Satellites
Space & Earth / Space Exploration
Feb 12, 2009 |
not rated yet |
2
The launch of the first artificial satellite by the then Soviet Union in 1957 marked the beginning of the utilization of space for science and commercial activity. During the Cold War, space was a prime area ...
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Voyager makes an interstellar discovery
Space & Earth / Space Exploration
Dec 26, 2009 |
4.7 / 5 (50) |
17
The solar system is passing through an interstellar cloud that physics says should not exist. In the Dec. 24th issue of Nature, a team of scientists reveal how NASA's Voyager spacecraft have solved the mystery.
Keck Telescopes Take Deeper Look at Planetary Nurseries
Dec 23, 2009 |
4.8 / 5 (12) |
2
(PhysOrg.com) -- Astronomers using the W. M. Keck Observatory have peered far into a young planetary system, giving an unprecedented view of dust and gas that might eventually form planets similar to Jupiter, ...
Vampires and collisions rejuvenate stars
Dec 23, 2009 |
4.3 / 5 (9) |
2
Stars in globular clusters are generally extremely old, with ages of 12-13 billion years. However, a small fraction of them appear to be significantly younger than the average population and, because they ...
Nanoscale changes in collagen are a tipoff to bone health
Dec 22, 2009 |
5 / 5 (1) |
0
Using a technique that provides detailed images of nanoscale structures, researchers at the University of Michigan and Detroit's Henry Ford Hospital have discovered changes in the collagen component of bone ...
Digital Quantum Battery Could Boost Energy Density Tenfold
Dec 22, 2009 |
4.9 / 5 (38) |
16
(PhysOrg.com) -- Physicists theorize that quantum phenomena could provide a major boost to batteries, with the potential to increase energy density up to 10 times that of lithium ion batteries. According to ...
Scientists improve chip memory by stacking cells
Dec 21, 2009 |
4.5 / 5 (17) |
3
(PhysOrg.com) -- Scientists at Arizona State University have developed an elegant method for significantly improving the memory capacity of electronic chips.
Genetic study clarifies African and African-American ancestry
Dec 21, 2009 |
4.8 / 5 (11) |
0
People who identify as African-American may be as little as 1 percent West African or as much as 99 percent, just one finding of a large-scale, genome-wide study of African and African-American ancestry released ...
Fear of lawsuits may prompt some doctors to overprescribe antibiotics
Dec 18, 2009 |
not rated yet |
0
A new study led by a team of researchers at New York Medical College suggests that that medical liability concerns may be playing a role in the increase of MRSA in healthcare settings by encouraging clinicians to prescribe ...
IBM Reveals Five Innovations that Will Change Cities in the Next Five Years (w/ Video)
Dec 17, 2009 |
3.4 / 5 (9) |
1
Today, IBM unveiled a list of innovations that have the potential to change how people live, work and play in cities around the globe over the next five to ten years.
Proposed Spacetime Structure Could Provide Hints for Quantum Gravity Theory
Dec 16, 2009 |
4.6 / 5 (55) |
16
(PhysOrg.com) -- Spacetime, which consists of three dimensions of space and one time dimension, is such a large, abstract concept that scientists have a very difficult time understanding and defining it. Moreover, ...
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