News tagged with light bulbs

Quantum dots brighten the future of lighting

(Phys.org) -- With the age of the incandescent light bulb fading rapidly, the holy grail of the lighting industry is to develop a highly efficient form of solid-state lighting that produces high quality white ...

Nanotechnology / Nanomaterials

created May 08, 2012 | popularity 4.8 / 5 (8) | comments 2 | with audio podcast

'Ethical Adaptation to Climate Change' envisions the good life in a harsher world

Think like a planet - and reorganize society to reflect it, says Case Western Reserve University's environmental ethicist Jeremy Bendik-Keymer. That's a new way of thinking about reversing the tide of climate change.

Space & Earth / Environment

created May 03, 2012 | popularity 4.8 / 5 (5) | comments 1

Conquering LED efficiency droop

WASHINGTON, April 30--Like a coffee enthusiast who struggles to get a buzz from that third cup of morning joe, light-emitting diodes (LEDs) seem to reach a point where more electricity no longer imparts the ...

Technology / Engineering

created Apr 30, 2012 | popularity 5 / 5 (10) | comments 0 | with audio podcast

With random lasers, Yale researchers fight random noise, improve imaging

(Phys.org) -- Using “random lasers” as a source of illumination in medical imaging equipment could improve both processing time and the clarity of the final images, according to new research by Yale ...

Physics / General Physics

created Apr 30, 2012 | popularity 5 / 5 (1) | comments 8 | with audio podcast

Rebates to cut price of $60 LED bulb

(AP) -- How much would you pay for an amazing, state-of-the-art light bulb? Shoppers will be asking themselves that very question at Home Depot and other outlets starting Sunday - Earth Day - when the bulb ...

Technology / Energy & Green Tech

created Apr 16, 2012 | popularity 4 / 5 (6) | comments 33

Breakthrough could slash R&D time for next generation of hydrogen fuel cells

(PhysOrg.com) -- It took Thomas Edison two years and over 3,000 experiments to develop a marketable light bulb. It has taken 10 times that long and who-knows-how-many experiments to develop a system that is ...

Technology / Engineering

created Apr 04, 2012 | popularity 4.4 / 5 (10) | comments 13 | with audio podcast

Rare earth metals: Another challenge for the green economy?

If you follow the clean energy dialogue, then you may have encountered discussions about the role of rare earth metals at some point in the last year or two. If not, read on, because rare earths should not ...

Technology / Energy & Green Tech

created Apr 03, 2012 | popularity not rated yet | comments 1

Fiber laser points to woven 3-D displays

Most light emitters, from candles to light bulbs to computer screens, look the same from any angle. But in a paper published this week on the Nature Photonics website, MIT researchers report the development of a n ...

Physics / Optics & Photonics

created Mar 12, 2012 | popularity 4.7 / 5 (9) | comments 1 | with audio podcast

Developing sustainable power

The invention of a long-lasting incandescent light bulb in the 19th century spurred on the second wave of the industrial revolution, illuminating homes, extending leisure time and bringing us to the point today where many ...

Technology / Energy & Green Tech

created Feb 28, 2012 | popularity not rated yet | comments 0

All set and ready to glow

A new technique that paves the way for manufacturing affordable LED light bulbs is to be exploited in the UK, in a deal that researchers say could have a dramatic impact on carbon emissions.

Technology / Energy & Green Tech

created Feb 07, 2012 | popularity 5 / 5 (1) | comments 1

Building a better light bulb

Scientists study the movement of charge carriers to design an organic LED that is energy efficient and still casts a warm, natural glow.

Physics / General Physics

created Feb 01, 2012 | popularity 3 / 5 (2) | comments 4

Next-generation light bulb shines at CES

A California startup out to change the world shined at the Consumer Electronics Show on Thursday with a light bulb blending beauty and efficiency with love for the Earth.

Technology / Energy & Green Tech

created Jan 13, 2012 | popularity 4.5 / 5 (22) | comments 23

GOP wins battle of the bulb

Congress has dodged a government shutdown, agreeing to a $1 trillion spending bill that features a variety of rare compromises. Both Democrats and Republicans won some concessions, and it's too early to say who came out on ...

Technology / Energy & Green Tech

created Dec 26, 2011 | popularity 4.8 / 5 (5) | comments 58

Biopixels: Researchers create living 'neon signs' composed of millions of glowing bacteria (w/ video)

(PhysOrg.com) -- In an example of life imitating art, biologists and bioengineers at UC San Diego have created a living neon sign composed of millions of bacterial cells that periodically fluoresce in unison ...

Biology / Biotechnology

created Dec 19, 2011 | popularity 5 / 5 (2) | comments 3 | with audio podcast

Los Alamos instrument to shine light on Mars habitability

With the successful launch of the Mars Science Laboratory on Saturday, Los Alamos National Laboratory researchers and scientists from the French space institute IRAP are poised to begin focusing the energy ...

Space & Earth / Space Exploration

created Nov 29, 2011 | popularity 5 / 5 (1) | comments 0