Conventional electronic devices make use of semiconductor circuits and they transmit information by electric charges. However, such devices are being pushed to their physical limit and the technology is facing immense challenges ...
General Physics
Jul 24, 2017
0
4
Space is not empty, nor is it silent. While technically a vacuum, space nonetheless contains energetic charged particles, governed by magnetic and electric fields, and it behaves unlike anything we experience on Earth. In ...
Space Exploration
Jul 17, 2017
8
2659
Ultrasound—sound with frequencies higher than those audible to humans—is commonly used in diagnostic imaging of the body's soft tissues, including muscles, joints, tendons and internal organs. A technology called high-intensity ...
General Physics
Jun 26, 2017
0
22
If you could travel back in time 41,000 years to the last ice age, your compass would point south instead of north. That's because for a period of a few hundred years, the Earth's magnetic field was reversed. These reversals ...
Earth Sciences
May 16, 2017
5
177
Computer electronics are shrinking to small-enough sizes that the very electrical currents underlying their functions can no longer be used for logic computations in the ways of their larger-scale ancestors. A traditional ...
General Physics
Apr 10, 2017
2
1474
Astronomers from Bonn and Tautenburg in Thuringia (Germany) used the 100-m radio telescope at Effelsberg to observe several galaxy clusters. At the edges of these large accumulations of dark matter, stellar systems (galaxies), ...
Astronomy
Mar 22, 2017
135
1359
Physicist Peter Mansfield, who won the Nobel Prize for helping to invent MRI scanners, has died at the age of 83.
Other
Feb 9, 2017
0
23
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
0
104
The sonic boom created by an airplane comes from the craft's large, speeding body crashing into molecules in the air. But if you shrank the plane to the size of a molecule, would it still generate a shock wave?
Space Exploration
Dec 13, 2016
0
12
Researchers have created a new magnetic mirror-based device that could one day help cosmologists discover new details about ripples in space-time known as gravitational waves, particularly those emitted when the universe ...
Optics & Photonics
Dec 13, 2016
8
492
