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, ...


Porphyrin Dimers Increase Efficiency of Dye-Sensitized Solar Cells

Porphyrin Dimers Increase Efficiency of Dye-Sensitized Solar Cells

Chemistry / Materials Science

created Oct 30, 2009 | popularity 4.5 / 5 (12) | comments 1

(PhysOrg.com) -- Porphyrins are most commonly thought of as the pigment in red blood cells, but now scientists have found that porphyrins can also be used to increase the efficiency of an inexpensive type ...


Scientists Make Ink Disappear, Make Paper Reusable

Scientists Make Ink Disappear, Make Paper Reusable

Chemistry / Materials Science

created Oct 27, 2009 | popularity 3.1 / 5 (16) | comments 4

(PhysOrg.com) -- Despite ongoing efforts to save the trees, many offices print high volumes of paper documents on a daily basis. Although many companies encourage paper recycling, both disposing of and recycling ...


What Comes After Hard Drives?

What Comes After Hard Drives?

Electronics / Hardware

created Oct 23, 2009 | popularity 4.1 / 5 (34) | comments 36

(PhysOrg.com) -- The ability to store and retrieve data is an important component of today's computers, as well as other modern electronic devices such as cell phones, video game consoles, and camcorders. ...


Study Shows Time Traveling May Not Increase Computational Power

Physics / Quantum Physics

created Oct 22, 2009 | popularity 4.1 / 5 (26) | comments 5

(PhysOrg.com) -- For more than 50 years, physicists have been intrigued by the concept of closed time-like curves (CTCs). Because a CTC returns to its starting point, it raises the possibility of traveling backward in time. ...


Running electronics using light

Running electronics using light

Nanotechnology / Nanophysics

created Oct 19, 2009 | popularity 4.3 / 5 (19) | comments 1

(PhysOrg.com) -- "If you open up almost any electronic gadget, you will see various elements that operating using electric circuitries," Nader Engheta tells PhysOrg.com. "Many of them have different functi ...


How Perfect Can Graphene Be?

How Perfect Can Graphene Be?

Nanotechnology / Nanomaterials

created Oct 13, 2009 | popularity 4.6 / 5 (29) | comments 5

(PhysOrg.com) -- Physicists have investigated the purest graphene to date, and have found that the material possesses unprecedented high electronic quality. The discovery has raised the bar for this relatively ...


Intelligent Traffic System Predicts Future Traffic Flow on Multiple Roads

Intelligent Traffic System Predicts Future Traffic Flow on Multiple Roads

Technology / Engineering

created Oct 12, 2009 | popularity 4.2 / 5 (51) | comments 5

(PhysOrg.com) -- In urban areas, there’s almost always more than one way to get somewhere, but often it’s difficult to predict which road will be fastest. In an attempt to improve traffic flow and decrease ...


Atomtronic transistor and diode could advance quantum computing

Physics / Quantum Physics

created Oct 09, 2009 | popularity 4.6 / 5 (24) | comments 5

(PhysOrg.com) -- What if atoms could be used to perform the functions currently the province of electronic devices? The goal of atomtronics is to do just that by creating analogues to the common items found in electronic ...


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.