Energy & Green Tech
As the world builds out ever larger installations of wind and solar power systems, the need is growing fast for economical, large-scale backup systems to provide power when the sun is down and the air is calm. Today's lithium-ion ...
Aug 24, 2022
2
154
Energy & Green Tech
With lithium prices over five times higher than they were a year ago, researchers from Skoltech and Lomonosov Moscow State University have developed a material for sodium-ion batteries that offer an alternative to the increasingly ...
Aug 1, 2022
2
688
Internet
Social media users posted ideas about how to protect people's reproductive privacy when the Supreme Court overturned Roe v. Wade, including entering "junk" data into apps designed for tracking menstrual cycles.
Jul 8, 2022
0
18
Energy & Green Tech
Researchers at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) created a solar cell with a record 39.5% efficiency under 1-sun global illumination. This is the highest efficiency solar cell of ...
May 19, 2022
0
436
Business
Twitter's quarterly profit, revenue and the number of daily users on its platform are rising but its quarterly report, released days after agreeing to be sold to billionaire Elon Musk, offered scant details about what it ...
Apr 28, 2022
0
0
Engineering
In the beginning, all that Stephan Schlamminger wanted to do was to write down an equation that would help him obtain a more precise value for G, the gravitational constant that determines the strength of the attraction between ...
Feb 17, 2022
0
252
Business
The European Union crime agency has been ordered by the 27-nation bloc's data protection watchdog to erase information related to individuals with no proven link to crime.
Jan 10, 2022
0
3
Business
US entertainment giant Disney said Thursday its online streaming services have boomed while it grapples with how to release films as the Delta coronavirus variant drives viewers from movie theaters.
Aug 12, 2021
0
3
Electronics & Semiconductors
Thermoelectrics directly convert heat into electricity and power a wide array of items—from NASA's Perseverance rover currently exploring Mars to travel coolers that chill beverages.
Apr 16, 2021
0
747
Energy & Green Tech
Scientists at the National Renewable Energy Laboratory (NREL) have fabricated a solar cell with an efficiency of nearly 50%.
Apr 14, 2020
0
3995
