Precise Alignment to Quantum Dots
May 12, 2008 |
4.7 / 5 (33) |
0
“Precise lithographic alignment to site-controlled quantum dots is of major importance for numerous nano-photonic, nano-electronic and nano-spintronic devices,” Sven Höfling tells PhysOrg.com.
Space scientist says texting is four times more expensive than receiving scientific data from space
May 12, 2008 |
4.3 / 5 (78) |
13
A University of Leicester space scientist has worked out that sending texts via mobile phones works out to be far more expensive than downloading data from the Hubble Space Telescope.
Black holes not black after all
May 12, 2008 |
4.1 / 5 (55) |
11
International scientists have used flowing water to simulate a black hole, testing Stephen Hawking's theory that black holes are not black after all.
When following the leader can lead into the jaws of death
Biology /
May 12, 2008 |
4.2 / 5 (19) |
0
For animals that live in social groups, and that includes humans, blindly following a leader could place them in danger. To avoid this, animals have developed simple but effective behaviour to follow where ...
Possible Mechanism for Enormous Electromechanical Response
May 12, 2008 |
4.6 / 5 (36) |
1
Scientists at the U.S. Department of Energy's Brookhaven National Laboratory and collaborators at Stony Brook University, Johns Hopkins University, and the National Institute of Standards and Technology have ...
Designing bug perception into robots
May 12, 2008 |
4.6 / 5 (8) |
0
Insects have provided the inspiration for a team of European researchers seeking to improve the functionality of robots and robotic tools.
Researchers synthesize molecule with self-control
Nanotechnology / Bio & Medicine
May 12, 2008 |
4.4 / 5 (15) |
0
Plants have an ambivalent relationship with light. They need it to live, but too much light leads to the increased production of high-energy chemical intermediates that can injure or kill the plant.
Biochips can detect cancers before symptoms develop
Biology /
May 12, 2008 |
4.9 / 5 (21) |
1
In their fight against cancer, doctors have just gained an impressive new weapon to add to their arsenal. Researchers at the U.S. Department of Energy's Argonne National Laboratory have developed a chip that ...
Space Station Tricorder
Space & Earth / Space Exploration
May 12, 2008 |
4.1 / 5 (19) |
1
Any Trekkies out there? Remember the tricorder? Dr. McCoy and Mr. Spock both carried them, and they came in mighty handy exploring "strange new worlds ...where no one has gone before."
Hot climate could shut down plate tectonics
Space & Earth / Earth Sciences
May 12, 2008 |
2.8 / 5 (37) |
12
A new study of possible links between climate and geophysics on Earth and similar planets finds that prolonged heating of the atmosphere can shut down plate tectonics and cause a planet's crust to become locked in place.
'Super yeasts' produce 300 times more protein than previously possible
May 12, 2008 |
4.3 / 5 (20) |
1
Researchers in California report development of a new kind of genetically modified yeast cell that produces complex proteins up to 300 times more than possible in the past. These “super yeasts” could help boost production ...
Seeing Alzheimer's amyloids
May 12, 2008 |
4.6 / 5 (16) |
0
In an important step toward demystifying the role protein clumps play in the development of neurodegenerative disease, researchers have created a stunning three-dimensional picture of an Alzheimer’s peptide ...
Ancient protein offers clues to killer condition
Biology /
May 12, 2008 |
4.2 / 5 (20) |
0
More than 600 million years of evolution has taken two unlikely distant cousins – turkeys and scallops - down very different physical paths from a common ancestor. But University of Leeds researchers have found that a motor ...
Researchers find natural section favors parasite fitness over host health
Biology /
May 12, 2008 |
4.3 / 5 (4) |
3
Why do parasites harm their hosts? Classic evolutionary theory predicts that parasites become more virulent because they must transmit themselves between hosts, yet scientists have found little data to support this idea, ...
Model shows how mutation tips biochemistry to cause Alzheimer's
May 12, 2008 |
4.1 / 5 (15) |
0
Your fate can be determined by tiny events. Imagine you live in the city and you walk everywhere to get exercise – you are healthy and not afraid of getting mugged. You almost never eat breakfast so you don’t stop at the ...
