New Digital 'Electronics' Concept May Continue Moore's Law

New Digital 'Electronics' Concept May Continue Moore's Law

Nanotechnology / Nanophysics

created Nov 05, 2009 | popularity 4.6 / 5 (51) | comments 9

(PhysOrg.com) -- Computers of the future could be operating not on electrons, but on tiny waves traveling through an electron "fluid," if a new proposal is successful. The new circuit design, recently introduced ...


Tiny Music Player Made from Wire Bridge

Tiny Music Player Made from Wire Bridge (w/ Video)

Physics / General Physics

created Nov 04, 2009 | popularity 4.2 / 5 (14) | comments 1

(PhysOrg.com) -- In 2008, scientists built a loudspeaker made of carbon nanotubes that produced sound and music based on the thermoacoustic effect. Now, a different team of scientists has built a loudspeaker ...


Stars Fueled by Dark Matter Could Hold Secrets to the Universe

Stars Fueled by Dark Matter Could Hold Secrets to the Universe

Physics / General Physics

created Nov 03, 2009 | popularity 4.5 / 5 (50) | comments 40

(PhysOrg.com) -- The first stars in the universe may have been very different from the stars we see today, yet they may hold clues to understanding some of the mysterious features of the universe. These "dark ...


Creating a six-qubit cluster state

Physics / Quantum Physics

created Nov 02, 2009 | popularity 4.6 / 5 (10) | comments 2

(PhysOrg.com) -- Many scientists believe that quantum entanglement is required in order for effective quantum computing. Entanglement takes place when there is a connection that exists between two objects - even when they ...


Second Law of Thermodynamics May Explain Economic Evolution

Second Law of Thermodynamics May Explain Economic Evolution

Physics / General Physics

created Nov 02, 2009 | popularity 4.3 / 5 (29) | comments 28

(PhysOrg.com) -- Terms such as the "invisible hand," laissez-faire policy, and free-market principles suggest that economic growth and decline in capitalist societies seem to be somehow self-regulated. Now, ...


1930s drug slows tumor growth

Medicine & Health / Medications

created Nov 06, 2009 | popularity 4.6 / 5 (8) | comments 1

Drugs sometimes have beneficial side effects. A glaucoma treatment causes luscious eyelashes. A blood pressure drug also aids those with a rare genetic disease. The newest surprise discovered by researchers at the Johns ...


Scientists Reproduce a Building Block of Life in Laboratory

Scientists Reproduce a Building Block of Life in Laboratory

Chemistry / Biochemistry

created Nov 06, 2009 | popularity 4.8 / 5 (23) | comments 0

(PhysOrg.com) -- NASA scientists studying the origin of life have reproduced uracil, a key component of our hereditary material, in the laboratory.


Nanoparticles for gene therapy improve

Nanoparticles for gene therapy improve

Nanotechnology / Bio & Medicine

created Nov 06, 2009 | popularity 5 / 5 (4) | comments 3

(PhysOrg.com) -- About five years ago, Professor Janet Sawicki at the Lankenau Institute in Pennsylvania read an article about nanoparticles developed by MIT's Robert Langer for gene therapy, the insertion ...


Chocolate

Chocolate rich in flavanols may protect the skin from UV

Medicine & Health / Health

created Nov 06, 2009 | popularity 5 / 5 (9) | comments 3

(PhysOrg.com) -- A new study has discovered for the first time that dark chocolate rich in flavanols may provide significant protection from the harmful effects of ultraviolet light.


Newly Discovered Fat Molecule: An Undersea Killer with an Upside

Newly Discovered Fat Molecule: An Undersea Killer with an Upside

Chemistry / Biochemistry

created Nov 05, 2009 | popularity 4.8 / 5 (9) | comments 0

(PhysOrg.com) -- A chemical culprit responsible for the rapid, mysterious death of phytoplankton in the North Atlantic Ocean has been found by collaborating scientists at Rutgers University and the Woods Hole ...


Nanoparticles may cause DNA damage across a cellular barrier

Nanoparticles may cause DNA damage across a cellular barrier

Nanotechnology / Bio & Medicine

created Nov 05, 2009 | popularity 4.3 / 5 (9) | comments 1

(PhysOrg.com) -- Scientists have shown in the laboratory that metal nanoparticles damaged the DNA in cells on the other side of a cellular barrier. The research, by the University of Bristol, is published ...


CU-Boulder map of human bacterial diversity shows wide interpersonal differences

Map of Human Bacterial Diversity Shows Wide Interpersonal Differences

Chemistry / Biochemistry

created Nov 05, 2009 | popularity 4.7 / 5 (11) | comments 0

(PhysOrg.com) -- A University of Colorado at Boulder team has developed the first atlas of bacterial diversity across the human body, charting wide variations in microbe populations that live in different ...


Caught in the act: Butterfly mate preference shows how 1 species can become 2

Caught in the act: Scientists find butterflies splitting into two species

Biology / Plants & Animals

created Nov 05, 2009 | popularity 4.5 / 5 (8) | comments 2

(PhysOrg.com) -- Breaking up may actually not be hard to do, say scientists who've found a population of tropical butterflies that may be on its way to a split into two distinct species.


Rapid supernova could be new class of exploding star

Rapid supernova could be new class of exploding star

Space & Earth / Astronomy

created Nov 05, 2009 | popularity 4.7 / 5 (17) | comments 5

(PhysOrg.com) -- An unusual supernova rediscovered in seven-year-old data may be the first example of a new type of exploding star, possibly from a binary star system where helium flows from one white dwarf ...


Water Striders Mating

Mom was right: Why nice guys usually get the girls

Biology / Plants & Animals

created Nov 05, 2009 | popularity 4.6 / 5 (9) | comments 1

(PhysOrg.com) -- Female water striders often reject their most persistent and aggressive suitors and prefer the males who aren't so grabby, according to new research. Water striders are insects commonly seen ...