A research team led by Prof. Li Di from the National Astronomical Observatories of the Chinese Academy of Sciences (NAOC) has revealed circular polarization in active repeating fast radio bursts based on precise observations ...
Astronomy
Dec 27, 2022
0
568
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 same kick and ...
Engineering
Apr 30, 2012
0
0
Forecasting the future of technology is anything but an exact science. In late 2006, for instance, my colleagues and I put together an article outlining our predictions for the top 10 tech trends for 2007. My record was, ...
Energy & Green Tech
Jul 1, 2010
1
0
.jpg)
(Phys.org) —Scientists at the National Institute of Standards and Technology and the University of Maryland, College Park, have built a practical, high-efficiency nanostructured electron source. Described in the journal ...
Nanophysics
Mar 6, 2013
2
0
Recycling, reusing and reducing are all ways in which Europeans are assisting in efforts to reduce greenhouse gas (GHG) emissions. It is a far cry from the days when we threw everything away without thought. Now we know it ...
Energy & Green Tech
Jan 7, 2013
0
0
The world's first LED replacement for a 60-watt incandescent bulb is now also the first to earn ENERGY STAR qualification. Philips Lighting announced today that the Philips AmbientLED 12.5 watt (also sold professionally under ...
Energy & Green Tech
Feb 16, 2011
0
0
Zimbabwe's electricity authority is to hand out 5.5 million energy-saving flourescent bulbs to its consumers in a bid to curb consumption, a state daily newspaper reported Monday.
Energy & Green Tech
Aug 15, 2011
9
0
(AP) -- To Steven Walls, it's beginning to look nothing like Christmas, anywhere he goes.
Energy & Green Tech
Dec 21, 2009
10
0
In the United States, the start of 2014 marked the end of an era—the "death" of incandescent light bulbs. Not that all 40- and 60-watt incandescent light bulbs simultaneously stopped working on January 1, 2014, but their ...
Condensed Matter
Aug 22, 2014
1
0
Dear EarthTalk: What are some simple low-cost improvements I can do to my home to make it greener? (Stefan Lonce, via e-mail)
Environment
Aug 11, 2009
12
0
