Be fast, avoid light, and roll through a curvy ramp: This is the recipe for a pioneering experiment proposed by theoretical physicists in a recent paper published in Physical Review Letters. An object evolving in a potential ...
Optics & Photonics
Jan 10, 2024
0
100
Researchers at the University of Maryland (UMD) have demonstrated a continuously operating optical fiber made of thin air.
Optics & Photonics
May 3, 2023
0
374
A single particle has no temperature. It has a certain energy or a certain speed—but it is not possible to translate that into a temperature. Only when dealing with random velocity distributions of many particles does a ...
Quantum Physics
Dec 14, 2022
1
1865
It's a paradox: Life needs water to survive, but a world full of water can't generate the biomolecules that would have been essential for early life. Or so researchers thought.
Evolution
Nov 3, 2022
0
3
People typically spend 90% of their lives inside, at home, at work, or in transport. Within these enclosed spaces, occupants are exposed to a multitude of chemicals from various sources, including outdoor pollutants penetrating ...
Biochemistry
Sep 1, 2022
0
497
NASA scientists hope to solve a fundamental mystery about Mars' atmosphere, and you can help. They've organized a project called Cloudspotting on Mars that invites the public to identify Martian clouds using the citizen science ...
Astronomy
Jun 28, 2022
1
98
Ultrafast laser technologies provide new strategies for remote sensing of atmospheric pollutants and hazardous biochemical agents due to their unique advantages of high peak power, short pulse duration and broad spectral ...
Optics & Photonics
Jun 9, 2022
0
14
Prof. Wang Zhe, assistant professor at the Hong Kong University of Science and Technology (HKUST)'s Division of Environment and Sustainability, has collaborated with international scientists to reveal the significant roles ...
Earth Sciences
May 30, 2022
0
80
Haze is formed when a cocktail of various gaseous pollutants is oxidized and forms particulate matter diffusing sunlight. This process is mainly mediated by hydroxyl radicals (OH), and researchers have now discovered a new ...
Materials Science
Mar 31, 2022
0
127
Researchers at the Paul Scherrer Institute PSI have developed a new method to analyse particulate matter more precisely than ever before. Using it, they disproved an established doctrine: that molecules in aerosols undergo ...
Materials Science
Mar 13, 2020
7
448
