Beam-driven wakefield acceleration approaches are promising candidates for future large-scale machines, including X-ray free electron lasers and linear colliders, as they have the potential to improve efficiency and reduce ...
Optics & Photonics
Jan 21, 2021
1
131
In paddy fields, water management creates long-term anaerobic conditions in which soil organic carbon (SOC) mineralisation is largely coupled with redox processes. Iron oxides are one of the main minerals in paddy soils, ...
Earth Sciences
Oct 16, 2020
0
3
Usually, when oil prices fall, biobased chemical firms struggle. But these days, alternatives to petroleum-based products are undergoing a renaissance. Consumers are increasingly eco-conscious, leading companies to partner ...
Materials Science
Jul 8, 2020
0
5
Solar flares are sudden explosive processes that convert the energy of the magnetic field into the kinetic energy of electrons and ions. Since the beginning of the century, millimeter observations of solar flares became routinely ...
Astronomy
Mar 13, 2019
0
74
Japanese astronomers report the identification of a new ultra-luminous infrared galaxy (ULIRG) as part of the search for far-infrared-bright but optically faint objects. The newly detected ULIRG, designated AKARI-FIS-V2 J0916248+073034, ...
Hidden in a distant galaxy cluster collision are wisps of gas resembling the starship Enterprise—an iconic spaceship from the "Star Trek" franchise.
Astronomy
Nov 16, 2018
193
109
Positrons are short-lived subatomic particle with the same mass as electrons and a positive charge. They are used in medicine, e.g. in positron emission tomography (PET), a diagnostic imaging method for metabolic disorders. ...
General Physics
Nov 13, 2018
0
9
Innovations in microscale electronics, medicine, combustion and scores of other technologies depend on understanding and predicting the behavior of electricity on the smallest of length scales. Scientists already have a good ...
Plasma Physics
Aug 21, 2018
2
207
Using advanced fabrication techniques, engineers at the University of California San Diego have built a nanosized device out of silver crystals that can generate light by efficiently "tunneling" electrons through a tiny barrier. ...
Nanophysics
Jul 23, 2018
0
1149
Young scientists from ITMO University have explained how neutron stars generate intense directed radio emission. They developed a model based on the transitions of particles between gravitational states, i.e. quantum states ...
Astronomy
Apr 24, 2018
4
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