News tagged with electric light bulb

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

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

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 5 / 5 (1) | comments 4

Light from a water bottle could brighten millions of poor homes (w/ video)

As simple as it sounds, a one-liter plastic bottle filled with purified water and some bleach could serve as a light bulb for some of the millions of people who live without electricity. Originally developed ...

Technology / Energy & Green Tech

created Sep 16, 2011 | popularity 4.7 / 5 (58) | comments 53 | with audio podcast weblog

Bacteria -- energy producers of the future? (w/ video)

All of us use water and in the process, a lot of it goes to waste. Whether it goes down drains, sewers or toilets, much of it ends up at a wastewater treatment plant where it undergoes rigorous cleaning before it flows back ...

Technology / Energy & Green Tech

created Aug 22, 2011 | popularity not rated yet | comments 1 | with audio podcast

Researchers create a smaller, flexible LED

University of Miami professor at the College of Engineering, Jizhou Song, has helped design an light-emitting diode (LED) light that uses an array of LEDs 100 times smaller than conventional LEDs. The new device has flexibility, ...

Technology / Engineering

created Jun 20, 2011 | popularity 4.8 / 5 (8) | comments 0 | with audio podcast

Mandated change in light bulbs to occur at year's end

Get ready for some mandated changes in lighting, warns an energy expert in Penn State's College of Agricultural Sciences.

Technology / Energy & Green Tech

created Mar 01, 2011 | popularity 1 / 5 (2) | comments 7

Energy saving lamp is eco-winner

In a new study, EMPA researchers have investigated the ecobalances of various household light sources. In doing so not only did they take into account energy consumption, but also the manufacture and disposal processes. They ...

Space & Earth / Environment

created Oct 22, 2010 | popularity 3.2 / 5 (5) | comments 3

Caltech researchers design a new nanomesh material

(PhysOrg.com) -- Computers, light bulbs, and even people generate heat—energy that ends up being wasted. With a thermoelectric device, which converts heat to electricity and vice versa, you can harness that ...

Nanotechnology / Nanomaterials

created Sep 23, 2010 | popularity 4.4 / 5 (11) | comments 3 | with audio podcast

Going For Exawatts: Building the most powerful laser in the world

Producing a laser with a power of a terawatt -- equal to one trillion watts -- used to be impressive, but now the forefront of optical research power is measured in 1 quadrillion-watt units known as petawatts. ...

Physics / General Physics

created Jan 25, 2010 | popularity 4.6 / 5 (22) | comments 3 | with audio podcast

Accelerators and Light Sources of Tomorrow (Part 1: From Linacs to Lasers)

From their humble beginnings as offshoots of the ordinary electric light bulb, particle accelerators have evolved in surprising directions. Among the most productive and promising developments have been light ...

Physics / General Physics

created Dec 22, 2009 | popularity 4.8 / 5 (8) | comments 2

Lighter, cheaper, LED light bulbs are starting to enter the marketplace

Just when you were finally warming up to the idea of swapping out your old light bulbs with compact fluorescent ones, you may soon find a new alternative at your local hardware store.

Technology / Energy & Green Tech

created Oct 22, 2009 | popularity 3.9 / 5 (14) | comments 6

A bright idea: Philips lets flat lights out of lab

(AP) -- Someday, our ceilings and walls might radiate light, illuminating indoor spaces as brightly and evenly as natural daylight.

Technology / Hi Tech & Innovation

created Jul 22, 2009 | popularity 4.5 / 5 (12) | comments 5


  • Pages: 1