Auroras, also known as Northern or Southern lights depending on where they occur, are natural displays of light in the Earth's sky. Typically, these lights are dimly present at night. However, sometimes, these otherwise faint ...
Space Exploration
Feb 11, 2019
0
8
The absorption of light in semiconductor crystals without inversion symmetry can generate electric currents. Researchers at the Max Born Institute have now generated directed currents at terahertz (THz) frequencies, much ...
General Physics
Jan 14, 2019
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36
The main trend in the development of hardware components for digital and analog electronic equipment is to reduce the size of the active regions of diode and transistor structures. This can be achieved by improving the performance ...
Electronics & Semiconductors
Dec 7, 2018
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5
Electromagnetic radiation is pervasive. It comes in many forms, including radio waves, microwaves and high-energy X-rays and gamma rays. But what, precisely, is it?
Optics & Photonics
Mar 8, 2018
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19
In materials research, chemistry, biology, and medicine, chemical bonds, and especially their dynamic behavior, determine the properties of a system. These can be examined very closely using terahertz radiation and short ...
Optics & Photonics
Aug 7, 2017
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2
Encircling the Earth, within its magnetosphere, are two concentric, doughnut-shaped radiation belts known as the Van Allen belts. The Van Allen belts swell and recede in response to incoming energy from the sun, sometimes ...
Plasma Physics
Jun 20, 2017
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36
A team of theoretical physicists has proposed a way to simulate black holes on an electronic chip. Additionally, the technology used to create these lab-made black holes may be useful for quantum technologies. The researchers ...
General Physics
Jan 26, 2017
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104
Researchers are investigating novel ways by which electrons are knocked out of matter. Their research could have implications for radiation therapy.
General Physics
Dec 7, 2016
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5
Reliable information about the structure of pharmaceutical compounds is important for patient safety, for the development of related drugs and for patenting purposes. However, working out the structures of pharmaceuticals ...
General Physics
Feb 26, 2016
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9
I research space weather. That's how physicists describe how storms on the sun end up affecting us here on Earth. Most days I sit at a computer coding, attending telephone conference meetings with collaborators across the ...
Space Exploration
Sep 18, 2015
0
32
