'Star light, star bright' as explained by math
The evolving periodicity of the brightness of certain types of stars can now be described mathematically.
Mathematics
Apr 26, 2021
0
718
Page 3 - News tagged with amplitudes
Learning from fish and flags to inform new propulsion strategies
Recent research by Andres J. Goza at the University of Illinois at Urbana-Champaign found relationships between frequencies and the passive dynamics at play when vehicles move in air or water toward a better understanding ...
General Physics
Apr 23, 2020
1
58
Tuneable genetic 'clocks' might lead to improved biotech strategies
Imperial scientists have worked out how to fine-tune cellular clocks, which might lead to optimised production of drugs, biofuels and other chemicals.
Biotechnology
May 2, 2018
0
62
Researchers find new source of dangerous electrical instability in the heart
Sudden cardiac death resulting from fibrillation - erratic heartbeat due to electrical instability - is one of the leading causes of death in the United States. Now, researchers have discovered a fundamentally new source ...
General Physics
May 3, 2017
9
1120
Bats adapt their echolocation calls to noise
Bats find their way acoustically when they are flying by using echolocation calls, often also employing them when hunting for food. A team of scientists from the Max Planck Institute for Ornithology in Seewiesen and the Ludwig-Maximilians-Universität ...
Plants & Animals
Jan 5, 2016
0
183
New potential for touch screens found at your fingertips
Our sense of touch is clearly more acute than many realize. A new study by Swedish scientists demystifies the "unknown sense" with first-ever measurements of human tactile perception.
Engineering
Sep 17, 2013
0
0
The pink noise of water quality
Lakes and streams are an essential supply of freshwater. Monitoring their water quality relies on measuring their chemistry. Researchers from ETH Zürich and the British research institute CEH have discovered that dozens ...
Environment
Aug 12, 2013
0
0
Carbon nanotubes for molecular magnetic resonances
Researchers at ICFO have developed a new technique for measuring very weak forces on a molecular scale. Thanks to the use of carbon nanotubes, they have achieved the highest level of sensitivity to date. These results published ...
Nanophysics
Jun 9, 2013
0
0
Hair sensor uncovers hidden signals
An "artificial cricket hair" used as a sensitive flow sensor has difficulty detecting weak, low-frequency signals – they tend to be drowned out by noise. But now, a bit of clever tinkering with the flexibility of the tiny ...
Nanophysics
Jun 6, 2013
0
0
Clamorous city blackbirds
(Phys.org)—Animals have developed a variety of strategies for dealing with increasing noise pollution in their habitats. It is known, for example, that many urban birds sing at a high pitch to differentiate their song from ...
Plants & Animals
Jan 11, 2013
0
0
