News tagged with areal density


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Search results for areal density


Voyager makes an interstellar discovery

Voyager makes an interstellar discovery

Space & Earth / Space Exploration

created 10 hours ago | popularity 4.9 / 5 (22) | comments 5

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

Keck Telescopes Take Deeper Look at Planetary Nurseries

Space & Earth / Astronomy

created Dec 23, 2009 | popularity 4.8 / 5 (9) | comments 1

(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, ...


The Formation of Blue Stragglers

Vampires and collisions rejuvenate stars

Space & Earth / Astronomy

created Dec 23, 2009 | popularity 4.3 / 5 (9) | comments 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 ...


Salmon

Hatchery-raised salmon too crowded

Biology / Ecology

created Dec 23, 2009 | popularity 5 / 5 (1) | comments 0

Every year, large amounts of hatchery-raised young salmonids are released into Swedish rivers and streams to compensate for losses in natural production. Butthese fish generally survive poorly in the wild. ...


Nanoscale changes in collagen are a tipoff to bone health

Nanoscale changes in collagen are a tipoff to bone health

Medicine & Health / Research

created Dec 22, 2009 | popularity 5 / 5 (1) | comments 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 ...


We now know that the brain controls the formation of bone

Medicine & Health / Research

created Dec 22, 2009 | popularity 5 / 5 (5) | comments 0

The brain acts as a profound regulatory centre, controlling myriad processes throughout the body in ways we are only just beginning to understand. In new findings, Australian scientists have shown surprising connections between ...


Modern behavior of early humans found half-million years earlier than previously thought

Modern behavior of early humans found half-million years earlier than previously thought

Other Sciences / Archaeology & Fossils

created Dec 22, 2009 | popularity 4.6 / 5 (16) | comments 0

Evidence of sophisticated, human behavior has been discovered by Hebrew University of Jerusalem researchers as early as 750,000 years ago - some half a million years earlier than has previously been estimated ...


Digital quantum battery

Digital Quantum Battery Could Boost Energy Density Tenfold

Physics / Quantum Physics

created Dec 22, 2009 | popularity 4.9 / 5 (33) | comments 13

(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

Technology / Semiconductors

created Dec 21, 2009 | popularity 4.5 / 5 (17) | comments 3

(PhysOrg.com) -- Scientists at Arizona State University have developed an elegant method for significantly improving the memory capacity of electronic chips.


Study identifies women at higher risk of significant bone loss on injectable birth control

Medicine & Health / Health

created Dec 21, 2009 | popularity not rated yet | comments 0

Nearly half of women using depot medroxyprogesterone acetate (DMPA), commonly known as the birth control shot, will experience high bone mineral density (BMD) loss in the hip or lower spine within two years of beginning the ...



List of search results for areal density