Generating electricity from water is not a new thing. Hydro power stations have already sprung up across the world in China, United States and Canada. However, scientists will not stop exploring advanced technologies for ...
Energy & Green Tech
Dec 11, 2012
0
3
Long touted as an energy-saving alternative for home lighting, compact fluorescent lightbulbs (CFLs) now have the potential to be even more efficient, as well as dimmable, thanks to research at Queen's University.
Engineering
Apr 7, 2009
5
0
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 ...
Energy & Green Tech
Dec 26, 2011
58
0
Today's light-emitting diode light bulbs have a slight environmental edge over compact fluorescent lamps. And that gap is expected to grow significantly as technology and manufacturing methods improve in the next five years, ...
Energy & Green Tech
Sep 5, 2012
15
1
Researchers at the University of Pennsylvania have pioneered a process that could enable the efficient recycling of rare-earth metals, which are found in many high-tech devices. Mining and purifying rare-earth metals is not ...
Materials Science
Dec 12, 2016
1
17
Just a few years ago, most conversations Christian Wetzel had about his research began with a quick explanation of LEDs.
Engineering
Sep 2, 2009
0
0
When semiconductor nanorods are exposed to light, they blink in a seemingly random pattern. By clustering nanorods together, physicists at the University of Pennsylvania have shown that their combined "on" time is increased ...
Nanophysics
Jun 23, 2011
0
0
As four women stepped onto exercise machines and began their workouts at Drexel University's recreation center, a small neon sign nearby began to glow.
Energy & Green Tech
Sep 26, 2011
0
0
Once broken, a compact fluorescent light bulb continuously releases mercury vapor into the air for weeks to months, and the total amount can exceed safe human exposure levels in a poorly ventilated room, according to study ...
Environment
Jul 6, 2011
0
0
For years, companies have been adding whiteners to laundry detergent, paints, plastics, paper and fabrics to make whites look "whiter than white," but now, with a switch away from incandescent and fluorescent lighting, different ...
Other
Apr 18, 2014
12
0
