University of Tokyo researchers have announced a new approach for electrical cooling without the need for moving parts. By applying a bias voltage to quantum wells made of the semiconductor aluminum gallium arsenide, electrons ...
Quantum Physics
Oct 3, 2019
0
103
A new testing protocol that uses existing, affordable water chemistry tests can help scientists and regulators detect sites showing evidence of new methane gas leaks caused by oil and gas drilling, according to Penn State ...
Environment
Aug 27, 2019
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37
In what has been called "the largest mass poisoning of a population in history," some 40 million people in Bangladesh are drinking water that contains unsafe levels of arsenic. The naturally occurring element seeps into groundwater ...
Environment
May 6, 2019
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2
Deep ultraviolet light-emitting diodes (DUV-LEDs) made from aluminium gallium nitride (AlGaN) efficiently transfer electrical energy to optical energy due to the growth of one of its bottom layers in a step-like fashion. ...
Nanomaterials
Feb 22, 2019
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28
A chemical maker's North Carolina plant may have broken federal law by failing to notify the U.S. Environmental Protection Agency before it started manufacturing and repurposing new industrial compounds, the agency said this ...
Environment
Feb 16, 2019
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38
Water is becoming a scarce resource in many parts of the world. Water tables have been falling in many regions for decades, particularly in areas with intensive agriculture. Wells are going dry and there are few long-term ...
Environment
Jan 16, 2019
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9
While most Americans have access to safe, potable water, populations in some regions of the world are not as fortunate. In fact, the majority of some 90 million people who live in the Punjab areas of Pakistan and India drink ...
Environment
Dec 12, 2018
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5
Water researchers have found a way to fight the "king of poisons" that accounts for one of every 20 deaths in Bangladesh.
Environment
Nov 5, 2018
0
17
A model that simulates how drilling fluids, or muds, behave and influence the stability of oil wells has been developed by KAUST researchers. Their findings could inform new safety protocols and the design of novel drilling ...
Engineering
Oct 2, 2018
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29
New research suggests drinking water supplies in Pennsylvania have shown resilience in the face of a drilling boom that has turned swaths of countryside into a major production zone for natural gas.
Environment
Jun 18, 2018
1
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