Picture 500 million cars stacked in rows. That's how much carbon—about 1,000 petagrams, or one billion metric tons—is locked away in Arctic permafrost.
Earth Sciences
Jun 15, 2020
1
764
A Si quantum dot (QD)-based hybrid inorganic/organic light-emitting diode (LED) that exhibits white-blue electroluminescence has been fabricated by Professor Ken-ichi SAITOW (Natural Science Center for Basic Research and ...
Optics & Photonics
Jun 5, 2015
0
74
Samsung Electronics today announced the launch and availability of the world’s first RGB LED data projector with 1,000 ANSI lumens. With no lamp to replace, the SP-F10M has an LED light source that promises a lifespan of ...
Consumer & Gadgets
Jun 25, 2010
0
0
In a scene from "Star Wars: Episode IV—A New Hope," R2D2 projects a three-dimensional hologram of Princess Leia making a desperate plea for help. That scene, filmed more than 45 years ago, involved a bit of movie magic—even ...
Optics & Photonics
Nov 28, 2022
0
243
Silicon Valley is known for computer chips, software companies and social networks - but not light bulbs.
Energy & Green Tech
Oct 3, 2011
1
0
A team at Stanford's School of Engineering has demonstrated an ultrafast nanoscale light emitting diode (LED) that is orders of magnitude lower in power consumption than today's laser-based systems and able to transmit data ...
Optics & Photonics
Nov 15, 2011
1
0
As the common household incandescent bulb marches towards extinction (they'll be completely phased out in the U.S. by 2014), the "battle of the bulb" heats up with CFLs, LEDs, and a new long-lasting contender, the ESL bulb, ...
Energy & Green Tech
Dec 20, 2010
6
0
The widespread replacement of conventional bulbs in street lighting by energy-saving light-emitting diodes (LEDs) has considerable influence on bats as urban nocturnal hunters. Opportunistic bats lose hunting opportunities ...
Ecology
Sep 1, 2016
1
2
(Phys.org) —Tomatoes can contain more vitamin C if they are exposed to extra light from LED lamps while growing on the plant. This has been proven by research by Wageningen UR Greenhouse Horticulture in collaboration with ...
Biotechnology
May 9, 2013
0
0
Not too long ago, I wrote a review of several 60 watt-equivalent bulbs that use light-emitting diodes. I touched on a few ideas about the future of light bulbs that prompted some conversation both online and in the office.
Energy & Green Tech
Apr 2, 2014
20
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