A Chinese-US research group claims to have achieved a power conversion efficiency of over 50% in an n-type single-junction solar cell by inhibiting light conversion to heat at extremely low ...
WASHINGTON — President Donald Trump’s emergency order over the nation’s capital, which federalized its police force and launched a surge of law enforcement into the city, is set to expire overnight ...
WASHINGTON (AP) — President Donald Trump’s emergency order over the nation’s capital, which federalized its police force and launched a surge of law enforcement into the city, is set to expire ...
Texas Gov. Greg Abbott is directing the state agencies to come up with rules that will keep hemp-derived products out of the hands of minors. The move came in the form of an executive order issued ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback