(Phys.org)—Taking a photo of the sun with a standard camera will provide a familiar image: a yellowish, featureless disk, perhaps colored a bit more red when near the horizon since the light must travel through more of ...
Space Exploration
Jan 23, 2013
2
2
Thomas Edison's door key to the 19th century lab in New Jersey where he invented the phonograph goes up for auction this weekend, along with lightbulbs he perfected.
Other
Dec 2, 2016
0
184
The House of Representatives gave extended life to the 100-watt bulb Friday, voting to delay a ban on sales of the incandescent bulb for nine months, from Jan. 1 to the end of the fiscal year, Sept. 30, 2012.
Energy & Green Tech
Jul 16, 2011
227
0
The average amount of electricity consumed in U.S. homes has fallen to levels last seen more than a decade ago, back when the smartest device in people's pockets was a Palm pilot and anyone talking about a tablet was probably ...
Energy & Green Tech
Dec 30, 2013
3
0
(AP) -- Someday, our ceilings and walls might radiate light, illuminating indoor spaces as brightly and evenly as natural daylight.
Hi Tech & Innovation
Jul 22, 2009
5
0
(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 light.
Nanomaterials
May 8, 2012
2
0
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.
Energy & Green Tech
Jan 13, 2012
23
0
LED bulbs seem to be the future of home lighting: They save electricity, they're durable and they don't contain mercury like compact fluorescents. But having them produce white light like any old light bulb is like using ...
Consumer & Gadgets
Mar 13, 2013
5
0
Brown University researchers have demonstrated for the first time a method of substantially changing the spatial coherence of light.
Optics & Photonics
Oct 18, 2017
2
614
The intensity of artificial lighting has been shown to have a range of effects on our mood and our ability to concentrate. New research explores the color of lighting and its effect on our cognitive performance. The study, ...
Social Sciences
Apr 26, 2016
0
329
