News tagged with artificial illumination
City lights could reveal E.T. civilization
In the search for extraterrestrial intelligence, astronomers have hunted for radio signals and ultra-short laser pulses. In a new paper, Avi Loeb (Harvard-Smithsonian Center for Astrophysics) and Edwin Turner ...
Nov 03, 2011 |
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Artificial light quality affects herbivore preference for seedlings
In horticultural production, growers often depend on systems that use artificial light to produce high-quality transplants. Although the systems are efficient, fluorescent lamps can produce plants with shorter shoots than ...
Jun 22, 2011 |
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Artificial Light at Night: Higher Risk of Prostate Cancer
A new study at the University of Haifa discovered: Worldwide, countries with the highest levels of artificial light at night also have the highest rates of prostate cancer.
Feb 03, 2009 |
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Search results for artificial illumination
The shape of things, illuminated: Metamaterials, surface topology and light-matter interactions
(Phys.org) -- Finding new connections between different disciplines leads to new – and sometimes useful – ideas. That’s exactly what happened when scientists in the Department of Physics, Queens College, ...
Apr 28, 2012 |
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Bioreactor redesign dramatically improves yield
Scientists explain why a microalgae bioreactor redesign provides an order-of-magnitude improvement over conventional cultivation methods.
Apr 18, 2012 |
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Understanding photosynthesis: How plants use catalytic reactions to split oxygen from water
Splitting hydrogen and oxygen from water using conventional electrolysis techniques requires considerable amounts of electrical energy. But green plants produce oxygen from water efficiently using a catalytic ...
Apr 02, 2012 |
4.8 / 5 (11) |
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Physicists demonstrate quantum plasmons in atomic-scale nanoparticles
Addressing a half-century-old question, engineers at Stanford have conclusively determined how collective electron oscillations, called plasmons, behave in individual metal particles as small as just a few nanometers in diameter. ...
Mar 21, 2012 |
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Electron-detection breakthrough could unleash next-generation technologies
(PhysOrg.com) -- Physics researchers at the University of Kansas have discovered a new method of detecting electric currents based on a process called “second-harmonic generation,” similar to a radar gun for electrons ...
Feb 29, 2012 |
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Amazing skin gives sharks a push
Shark skin has long been known to improve the fish's swimming performance by reducing drag, but now George Lauder and Johannes Oeffner from Harvard University show that in addition, the skin generates thrust, ...
Feb 09, 2012 |
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Envelope for an artificial cell
(PhysOrg.com) -- Chemists have taken an important step in making artificial life forms from scratch. Using a novel chemical reaction, they have created self-assembling cell membranes, the structural envelopes ...
Jan 25, 2012 |
4.8 / 5 (18) |
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OrcaM is new kid on block for 3-D data capture
(PhysOrg.com) -- Call it automated photograph station, seven-camera system, 3-D model showcase, or digital reconstruction tool. OrcaM is being described as all these things. Whatever the tag, the "OrcaM" name ...
Technology / Hi Tech & Innovation
Jan 21, 2012 |
4.7 / 5 (10) |
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Light now in sight: Control of a 'blind' neuroreceptor with an optical switch
When nerve cells communicate with one another, specialized receptor molecules on their surfaces play a central role in relaying signals between them. A collaborative venture involving teams of chemists based at Ludwig-Maximilians-Universitat ...
Jan 10, 2012 |
5 / 5 (4) |
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A human touch for ancient scripts at Italy's book hospital
Ancient manuscripts are treated like hospital patients at a famous book restoration institute in Rome that has worked on everything from the Dead Sea Scrolls to one of the oldest Korans in the world.
Other Sciences / Archaeology & Fossils
Dec 26, 2011 |
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List of search results for artificial illumination
