News tagged with applied physics

Slip-and-slide power generators

Researchers from Vestfold University College in Norway have created a simple, efficient energy harvesting device that uses the motion of a single droplet to generate electrical power.

Physics / General Physics

created May 24, 2012 | popularity 4.7 / 5 (3) | comments 1

Quantum computing: The light at the end of the tunnel may be a single photon

Quantum physics promises faster and more powerful computers, but quantum versions of basic logic functions are still needed to bring this technology to fruition. Researchers from the University of Cambridge and Toshiba Research ...

Physics / Quantum Physics

created May 18, 2012 | popularity 4.5 / 5 (6) | comments 1 | with audio podcast

All-carbon-nanotube transistor can be crumpled like a piece of paper

(PhysOrg.com) -- Thanks to the flexible yet robust properties of carbon nanotubes, researchers have previously fabricated transistors that can be rolled, folded, and stretched. Now a team from Japan has made ...

Nanotechnology / Nanophysics

created Mar 02, 2012 | popularity 4.8 / 5 (22) | comments 3 | with audio podcast feature

A nanoclutch for nanobots

Chinese researchers have designed and tested simulations of a "nanoclutch," a speed regulation tool for nanomotors.

Nanotechnology / Nanophysics

created May 24, 2012 | popularity 5 / 5 (2) | comments 0

Scientists evaluate different antimicrobial metals for use in water filters

Porous ceramic water filters are often coated with colloidal silver, which prevents the growth of microbes trapped in the micro- and nano-scale pores of the filter. Other metals such as copper and zinc have also been shown ...

Nanotechnology / Bio & Medicine

created May 24, 2012 | popularity 4 / 5 (1) | comments 1

Foldable display shows no crease after 100,000 folding cycles

(PhysOrg.com) -- One of the most difficult problems for designing mobile devices is finding a way to minimize the size of the device while simultaneously maximizing the size of the display. To get the best ...

Physics / Condensed Matter

created May 12, 2011 | popularity 4.9 / 5 (26) | comments 10 | with audio podcast feature

Researchers discover promising hydrogen storage material

(PhysOrg.com) -- If hydrogen is to ever to serve as an onboard energy carrier for the transportation industry, a material will be needed that can store large amounts of hydrogen at ambient temperature and ...

Physics / Condensed Matter

created Nov 01, 2011 | popularity 4.4 / 5 (14) | comments 22 | with audio podcast feature

High-purity hydrogen generated from a single device

(PhysOrg.com) -- There are many ways to generate hydrogen, such as water electrolysis and steam reforming of gas, but the hydrogen produced by these methods tends to be combined with other byproduct and residual ...

Physics / Condensed Matter

created Oct 07, 2011 | popularity 4.5 / 5 (15) | comments 17 | with audio podcast feature

Magnetic sensors can measure distances between vehicles

(PhysOrg.com) -- Every vehicle has a magnetic field, and researchers have now found that a vehicle’s magnetic field has an inverse relationship with distance at small distances. The relationship provides ...

Physics / General Physics

created Oct 18, 2011 | popularity 4.8 / 5 (13) | comments 8 | with audio podcast feature

Shrinking device makes objects appear smaller than they are

(PhysOrg.com) -- By controlling how light bends around an object, researchers have built a shrinking device that makes objects appear smaller than they actually are. Although the original object does not actually ...

Physics / General Physics

created May 31, 2011 | popularity 4.8 / 5 (8) | comments 20 | with audio podcast feature

Improving lasers with microring mirrors

(PhysOrg.com) -- We use lasers everyday, though many of us may not think about it. “Lasers are in a number of consumer products,” Lynford Goddard tells PhysOrg.com. “We have them in DVD players, printers, and in ...

Physics / General Physics

created Sep 13, 2011 | popularity 4.8 / 5 (8) | comments 1 | with audio podcast feature

Which-way detector unlocks some mystery of the double-slit experiment

(PhysOrg.com) -- One of the greatest puzzles of the double-slit experiment – and quantum physics in general – is why electrons seem to act differently when being observed. While electrons traveling ...

Physics / General Physics

created Jan 21, 2011 | popularity 4.4 / 5 (51) | comments 85 | with audio podcast feature

Study raises questions on what causes silicon solar cell degradation

(PhysOrg.com) -- After several hours of exposure to sunlight, silicon solar cells experience light-induced degradation, which can decrease their efficiency by up to 10%. In a new study, scientists have attempted ...

Physics / Condensed Matter

created Jun 03, 2011 | popularity 3.5 / 5 (4) | comments 1 | with audio podcast feature

Lasers could produce much sought-after band gaps in graphene

(PhysOrg.com) -- One of the most often-cited features of graphene – the two-dimensional crystal lattice made of carbon – is its unique electronic properties. Many of these electronic properties make ...

Nanotechnology / Nanophysics

created Jun 20, 2011 | popularity 4.9 / 5 (15) | comments 9 | with audio podcast feature

Cantilever bends repeatedly under light exposure for continuous energy generation

(PhysOrg.com) -- With the goal to enable small electronic devices to harvest their own energy, researchers have designed a device that can convert light and thermal energy into electricity. When exposed to ...

Physics / General Physics

created Oct 05, 2010 | popularity 4.9 / 5 (20) | comments 10 | with audio podcast feature