A team of researchers from Denmark, Norway, Spain and Italy has found that both terrestrial gamma-ray flashes and ionospheric ultraviolet emissions are spurred by lightning. In their paper published in the journal Science, ...
When much of Venezuela was plunged into darkness after a massive blackout this week, President Nicolás Maduro blamed the power outage on an "electromagnetic attack" carried out by the U.S.
Other
Jul 28, 2019
2
15
An electromagnetic pulse, or EMP, emitted by a nuclear weapon exploded high above the United States could disable the electronic circuits of many devices vital to military defense and modern living.
Optics & Photonics
Dec 6, 2018
0
5
Electronic systems using light waves instead of voltage signals is advantageous, as electromagnetic light waves oscillate at petaherz frequency. This means that future computers could operate at speeds 1 million times faster ...
Nanophysics
Nov 27, 2018
0
219
Reseachers at ETH Zurich have developed a modulator with which data transmitted via millimetre waves can be directly converted into light pulses for optical fibres. This could make covering the "last mile" up to the internet ...
Optics & Photonics
Nov 21, 2018
1
40
A team of scientists has created the world's most powerful electromagnetic pulses in the terahertz range to control in fine detail how a data-storage material switches physical form. This discovery could contribute to scaled-down ...
Optics & Photonics
Nov 7, 2018
0
38
The environment contains electromagnetic radiation and magnetic fields of natural and artificial origin. Even a short electromagnetic pulse is enough to knock any equipment out of operation. Candidate of Sciences (Physics ...
Materials Science
Sep 7, 2018
0
18
Physicists working with researcher Oriol Romero-Isart devised a new simple scheme to theoretically generate arbitrarily short and focused electromagnetic fields. This new tool could be used for precise sensing and in microscopy.
Optics & Photonics
Jul 27, 2017
1
5
Munich Physicists have developed a novel electron microscope that can visualize electromagnetic fields oscillating at frequencies of billions of cycles per second.
General Physics
Jul 22, 2016
0
3010
Physicists based at Ludwig-Maximilians-Universitaet (LMU) in Munich and the Max Planck Institute for Quantum Optics have observed a nanoscale light-matter phenomenon which lasts for only attoseconds.
Nanophysics
May 31, 2016
0
24
