News tagged with light energy

Related topics: photosynthesis , light

Lower energy could lead to more biological imaging at LCLS

While SLAC's Linac Coherent Light Source was designed to push the limits as a high-energy X-ray laser, users' requests have led staff at the facility to successfully step it back to a lower minimum energy ...

Physics / General Physics

created May 30, 2012 | popularity 5 / 5 (2) | comments 0

A magnetic approach to lattices

(Phys.org) -- JQI experimentalists under the direction of Ian Spielman are in the business of using lasers to create novel environments for neutral atoms. For instance, this research group previously enticed ...

Physics / General Physics

created May 22, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

A second look at supernovae light: Universe's expansion may be understood without dark energy

(PhysOrg.com) -- The 2011 Nobel Prize in physics, awarded just a few weeks ago, went to research on the light from Type 1a supernovae, which shows that the universe is expanding at an accelerating rate. The ...

Space & Earth / Astronomy

created Oct 24, 2011 | popularity 4.8 / 5 (52) | comments 185 | with audio podcast feature

Study supports role of quantum effects in photosynthesis

(PhysOrg.com) -- Until a few years ago, photosynthesis seemed to be a straightforward and well-understood process in which plants and other organisms use sunlight to convert carbon dioxide and water into sugars, ...

Physics / General Physics

created Jan 25, 2012 | popularity 4.9 / 5 (13) | comments 7 | with audio podcast feature

Graphite enters different states of matter

(Phys.org) -- For the first time, scientists have seen an X-ray-irradiated mineral go to two different states of matter in about 40 femtoseconds (a femtosecond is one quadrillionth of a second).

Physics / Condensed Matter

created May 16, 2012 | popularity not rated yet | comments 0 | with audio podcast

Astrophysicists discover new heating source in cosmological structure formation

(Phys.org) -- So far, astrophysicists thought that super-massive black holes can only influence their immediate surroundings. A collaboration of scientists at the Heidelberg Institute for Theoretical Studies ...

Space & Earth / Astronomy

created May 15, 2012 | popularity 4.1 / 5 (11) | comments 8 | with audio podcast

Nanotechnology for solar energy conversion systems

EU researchers extensively characterised the self-organisation of nanotubes and developed novel compositions particularly appropriate to solar energy conversion applications.

Nanotechnology / Nanomaterials

created May 25, 2012 | popularity not rated yet | comments 0

Folding light: Wrinkles and twists boost power from solar panels

Taking their cue from the humble leaf, researchers have used microscopic folds on the surface of photovoltaic material to significantly increase the power output of flexible, low-cost solar cells.

Physics / Optics & Photonics

created Apr 27, 2012 | popularity 4.9 / 5 (15) | comments 8 | with audio podcast

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

Cambridge team uses solar cells in OLED screen to power smartphones

(PhysOrg.com) -- With the world's showroom floors crammed with prototype smartphones promising advanced functions, bigger displays, stunning resolution, wouldn’t you think the biggest crowd-pleasers would ...

Technology / Energy & Green Tech

created Jan 22, 2012 | popularity 4.3 / 5 (9) | comments 14 | with audio podcast report

Computer simulations suggest graphynes may be even more useful than graphene

(PhysOrg.com) -- The past several years have seen a virtual explosion in the amount of research dedicated to graphene and as a result there has been a nearly constant stream of news pertaining to new discoveries ...

Nanotechnology / Nanomaterials

created Mar 05, 2012 | popularity 4.8 / 5 (10) | comments 26 | with audio podcast report

Extraordinary light enhancement technique proposed for nanophotonic devices

(PhysOrg.com) -- In a new study, scientists have shown that simply tailoring the nanoscale geometrical parameters of dielectric structures can result in an increase in the light intensity to unprecedented levels. Theoretically, ...

Nanotechnology / Nanophysics

created Nov 03, 2010 | popularity 4.7 / 5 (13) | comments 0 | with audio podcast feature

Model describes universe with no big bang, no beginning, and no end

(PhysOrg.com) -- By suggesting that mass, time, and length can be converted into one another as the universe evolves, Wun-Yi Shu has proposed a new class of cosmological models that may fit observations of the universe better ...

Physics / General Physics

created Jul 29, 2010 | popularity 4.7 / 5 (181) | comments 198 | with audio podcast weblog

Down to the wire: Inexpensive technique for making high quality nanowire solar cells developed

(PhysOrg.com) -- Solar or photovoltaic cells represent one of the best possible technologies for providing an absolutely clean and virtually inexhaustible source of energy to power our civilization. However, ...

Nanotechnology / Nanophysics

created Aug 31, 2011 | popularity 5 / 5 (9) | comments 2 | with audio podcast

Amoeba offers key clue to photosynthetic evolution

(PhysOrg.com) -- The major difference between plant and animal cells is the photosynthetic process, which converts light energy into chemical energy. When light isn't available, energy is generated by breaking ...

Biology / Cell & Microbiology

created Feb 27, 2012 | popularity 5 / 5 (4) | comments 2 | with audio podcast