A research team led by Professor Wang Jian, the deputy chief designer of the Wide Field Survey Telescope (WFST) and a faculty member of the State Key Laboratory of Nuclear Detection and Nuclear Electronics of the School of ...
Optics & Photonics
Aug 11, 2023
0
1
A vacuum chamber is never perfectly empty. A small number of atoms or molecules always remain, and measuring the tiny pressures they exert is critical. For instance, semiconductor manufacturers create microchips in vacuum ...
Quantum Physics
Aug 10, 2023
0
173
There could be billions of shallow lakes and ponds on Earth, though lack of mapping systems makes it hard to know just how many exist. Together, they emit significant amounts of greenhouse gases into the atmosphere, but emissions ...
Environment
Jun 5, 2023
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26
Scientists in Finland have developed a nanodevice that can measure the absolute power of microwave radiation down to the femtowatt level at ultra-low temperatures—a scale trillion times lower than routinely used in verifiable ...
Quantum Physics
May 25, 2023
0
652
A detailed "body scan" of Malaspina Glacier, one of Alaska's most iconic glaciers, revealed that its bulk lies below sea level and is undercut by channels that may allow ocean water to gain access, should its coastal barrier ...
Earth Sciences
Mar 16, 2023
0
51
With diminishing ice one of the biggest casualties of our warming world, it's imperative that accurate measurements continue to be made for scientific research and climate policy, as well as for practical applications such ...
Planetary Sciences
Jan 20, 2023
1
6
New research led by a team of scientists at The Australian National University (ANU) has outlined a way to achieve more accurate measurements of microscopic objects using quantum computers—a step that could prove useful ...
Quantum Physics
Jan 13, 2023
0
171
In 1911, a meridian circle manufactured by A. Repsold & Söhne in Hamburg, Germany, was installed at the National Astronomical Observatory of Chile under the watch of Friedrich W. Ristenpart, a German astronomer and the observatory's ...
Other
Dec 22, 2022
0
23
Since July 2022, a miniature satellite about the size of a shoebox has been orbiting Earth and monitoring how much solar energy reaches the atmosphere. Now, scientists are finalizing their analysis of the first five months ...
Space Exploration
Dec 16, 2022
0
11
In 2019, the International System of Units (SI) was redefined in terms of constants that relate to the natural world. This assures the future stability of the SI and opens the opportunity for the use of new technologies, ...
General Physics
Nov 15, 2022
0
2
