Posts Tagged ‘materials science’
Science & Technology - Nov 28, 2012 10:33 - 0 Comments
To save energy: take dirt, add heat
MICHIGAN STATE (US) — Researchers have developed a new thermoelectric material by using common minerals found pretty much anywhere there’s dirt. (more…)
Science & Technology - Nov 28, 2012 10:25 - 0 Comments
For bendy circuits, ‘print’ on nanocrystals
U. PENNSYLVANIA (US) — Scientists have shown that they can “print” nanocrystals of the semiconductor cadmium selenide onto flexible plastics to form high-performance electronics. (more…)
Science & Technology - Nov 27, 2012 16:36 - 0 Comments
Scotch tape ‘smart’ claw grabs water
PURDUE (US) — After the holiday gift wrapping is done, Scotch tape may have a new job as a shape-changing “smart material” that can collect water samples for environmental testing. (more…)
Science & Technology - Nov 27, 2012 14:20 - 0 Comments
Towers of nanotubes sprout from graphene
RICE (US) — Chemists have successfully grown forests of carbon nanotubes that rise quickly from sheets of graphene to astounding lengths of up to 120 microns. (more…)
Science & Technology - Nov 26, 2012 13:05 - 0 Comments
‘Lava dots’ made from molten metal salt
RICE (US) — Thanks to a chance discovery, scientists now know how to make hollow, coated versions of a nanotech staple called quantum dots. (more…)
Health & Medicine - Nov 21, 2012 14:51 - 0 Comments
Tiny probes light up to spot signs of disease
WASHINGTON U.-ST. LOUIS (US) — Scientists have designed very small probes that can bind to biomarkers of disease and, when swept by an infrared laser, light up to reveal their location. (more…)
Science & Technology - Nov 21, 2012 14:27 - 0 Comments
How hydrogen ‘traffic jam’ makes metals brittle
MCGILL (CAN) — Hydrogen embrittlement makes ductile metals brittle and more prone to failure, but a new model can accurately predict the problem. (more…)
Science & Technology - Nov 19, 2012 17:27 - 0 Comments
Why radiation doesn’t damage these materials
CALTECH (US) — Experts say they are unlocking the secrets of materials that are radiation-damage tolerant. (more…)
Science & Technology - Nov 12, 2012 14:13 - 1 Comment
Self-healing plastic ‘skin’ feels touch
STANFORD (US) — A new type of synthetic “skin” is the first material that can both sense subtle pressure and heal itself when torn or cut. (more…)
Top Stories - Nov 7, 2012 11:22 - 1 Comment
As electronics shrink, current gets squirrely
MCGILL U. (CAN) — Electrical current may be drastically reduced when wires from two dissimilar metals meet, research shows. (more…)
Science & Technology - Nov 5, 2012 17:11 - 0 Comments
No assembly required for new micro particles
NYU (US) — Scientists have created new kinds of particles—1/100th the diameter of a human hair—that “self-assemble” into structures that look like molecules made from atoms.
Science & Technology - Nov 1, 2012 13:26 - 1 Comment
Crushed porous silicon could boost battery life
RICE (US) — Scientists have created a porous silicon powder that could make rechargeable lithium batteries more powerful and cheaper to produce. (more…)
Science & Technology - Nov 1, 2012 11:05 - 1 Comment
First ‘top to bottom’ carbon solar cell
STANFORD (US) — Researchers have developed a solar cell made entirely of carbon, an inexpensive substitute for the pricey materials currently used in conventional solar panels. (more…)
Science & Technology - Oct 31, 2012 12:00 - 0 Comments
X-rays show how semiconductor gets magnetic
UC DAVIS (US) — Seeing inside gallium manganese arsenide for the first time may help scientists develop a new class of faster, smaller devices based on an emerging field called “spintronics.” (more…)
Science & Technology - Oct 31, 2012 11:47 - 0 Comments
For better body armor, let tiny bullets fly
RICE (US) — Researchers are firing microscale ammo in an effort to identify materials that can offer better protection to soldiers, aircrafts, and satellites. (more…)
Top Stories - Oct 23, 2012 9:36 - 0 Comments
When nudged, DNA ‘goo’ goes mobile
UC SANTA BARBARA (US) — A new “smart” material made of DNA responds with movement when stimulated, much like a living cell. (more…)
Science & Technology - Oct 17, 2012 14:52 - 1 Comment
New fuel cell catalyst competes with platinum
BROWN (US) — A new, inexpensive catalyst for hydrogen fuel cells could put platinum out of business, say researchers who’ve developed an alternative out of cobalt, graphene, and cobalt-oxide. (more…)
Science & Technology - Oct 12, 2012 11:20 - 0 Comments
Nano-material copies butterfly colors
U. PENNSYLVANIA (US) — Researchers have figured out how to recreate the bright, beautiful colors of butterfly wings, as well as their ability to strongly repel water. (more…)
