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
Today's energy-hungry global society is struggling with how to mitigate the effects of man-made climate change, and under what conditions of voluntary/coercive adaptation. Present fossil fuel-free technologies appear inadequate/insufficient ...
Quantum Physics
Oct 3, 2019
4
833
A top marine biologist has urged Thailand's government to speed up conservation plans for the dugong, an imperiled sea mammal, after their death toll for the year in Thai waters has already climbed to a record 21.
Ecology
Oct 3, 2019
0
7
Japan's space agency says its Hayabusa2 spacecraft has released a small rover that will land on the surface of an asteroid as part its final mission before heading back to Earth.
Space Exploration
Oct 3, 2019
3
601
New Cornell-led research is pointing the way toward an elusive goal of physicists—high-temperature superfluidity—by exploring excitons in atomically thin semiconductors.
Quantum Physics
Oct 3, 2019
3
121
Smelling like an oil refinery, the vast expanse of Lake Maracaibo has become polluted by its own reserves of crude as Venezuela's economic collapse has left wells and pipelines in ruin.
Environment
Oct 3, 2019
0
24
Back when the Mississippi River flowed wild, its ever-shifting waters acted as a continent-sized earth mover, picking up sand and dirt from the North, depositing it in the Delta region and eventually creating the land that ...
Environment
Oct 3, 2019
0
21
One of the world's deadliest fungi has been discovered in Australia's far north for the first time—thousands of miles from its native habitat in the mountains of Japan and Korea.
Ecology
Oct 3, 2019
0
13
Dengue-resistant mosquitoes breed in a Rio de Janeiro laboratory, producing offspring infected with bacteria packing a punch in the fight against the deadly virus, which is exploding across Brazil this year.
Ecology
Oct 3, 2019
0
12
A three-man crew including an Emirati who became the first Arab to reach the International Space Station returned to Earth safely on Thursday and were in good shape, the Russian space agency Roscosmos said.
Space Exploration
Oct 3, 2019
3
15
