(Phys.org) -- Cornell researchers have developed a new method of generating terahertz signals on an inexpensive silicon chip, offering possible applications in medical imaging, security scanning and wireless data transfer.
General Physics
Jul 11, 2012
4
1
Fifteen years ago, UC Santa Barbara electrical and materials professor John Bowers pioneered a method for integrating a laser onto a silicon wafer. The technology has since been widely deployed in combination with other silicon ...
General Physics
Jul 1, 2021
4
181
PFL researchers have produced a tunable, graphene-based device that could significantly increase the speed and efficiency of wireless communication systems. Their system works at very high frequencies, delivering unprecedented ...
Nanomaterials
Jul 8, 2016
0
85
Like many predators, the fringe-lipped bat primarily uses its hearing to find its prey, but with human-generated noise on the rise, scientists are examining how bats and other animals might adapt to find their next meal. ...
Plants & Animals
Sep 15, 2016
0
499
According to a statistic from the University of Chicago, 50 percent of U.S. power goes through a motor. Vehicles like cars and planes rely on motors to transform power, as do household appliances like vacuums and refrigerators. ...
Condensed Matter
Nov 29, 2018
3
129
Researchers from NYU Abu Dhabi's (NYUAD) Center for Space Science have discovered a new set of waves in the sun that, unexpectedly, appear to travel much faster than predicted by theory.
Astronomy
Mar 24, 2022
1
899
Scientists have known for decades that modern-day dolphins are some of the most intelligent and social animals on earth. Demonstrating complex behaviour and communication dolphins remind us of ourselves while living in a ...
Evolution
Apr 13, 2016
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1074
Fluorescence microscopy is widely used in biochemistry and life sciences because it allows scientists to directly observe cells and certain compounds in and around them. Fluorescent molecules absorb light within a specific ...
Optics & Photonics
Jan 4, 2021
0
86
Anxiety has set in across the space industry ever since the world's richest man, Jeff Bezos, revealed Project Kuiper: a plan to put 3,236 satellites in orbit to provide high-speed internet across the globe.
Space Exploration
May 8, 2019
3
464
Despite the progress in perovskite device efficiencies, these systems are not fully understood, in particular the frequency- and power-dependence of their response to light. Yu-Hwa Lo and colleagues at the University of California ...
