When an ordinary electrical conductor—such as a metal wire—is connected to a battery, the electrons in the conductor are accelerated by the electric field created by the battery. While moving, electrons frequently collide ...
Nanophysics
May 13, 2024
0
161
RIKEN biologists have discovered how tiny hairs in embryos detect flowing fluid, which ultimately leads to the left and right sides of the embryo developing differences. As well as resolving a long-standing debate, this finding ...
Cell & Microbiology
Apr 14, 2023
0
103
The formation of patterns is a universal phenomenon that underlies fundamental processes in biology. An example are the concentration patterns of proteins, which direct vital cellular processes, including cell division, polarity, ...
Cell & Microbiology
Jan 31, 2023
0
76
Increasing drought, less precipitation, rising water demand in agriculture—climate change is causing problems for our groundwater. In Germany and around the world, it is leading to falling groundwater levels in some regions. ...
Earth Sciences
Aug 30, 2022
3
40
Though they are discrete particles, water molecules flow collectively as liquids, producing streams, waves, whirlpools, and other classic fluid phenomena.
General Physics
Jul 6, 2022
1
2087
Computer simulations have been used with great success in recent months to visualize the spread of the COVID-19 virus in a variety of situations. In Physics of Fluids, researchers explain how turbulence in the air can create ...
Soft Matter
Jun 29, 2021
0
19
The Pacaya volcano close to Guatemala's capital is maintaining "high levels" of activity with strong eruptions, ash clouds and rivers of lava spewing out, officials said on Friday.
Environment
Mar 26, 2021
1
70
A recent research study conducted by City, University of London's Professor Christoph Bruecker and his team has revealed how micro-structured finlets on owl feathers enable silent flight and may show the way forward in reducing ...
General Physics
Nov 18, 2020
3
197
Polymers are long molecules made from periodically connected molecular building blocks called monomers. Some polymers occur naturally in the shape of closed rings—for example as plasmids, cyclic DNA strands in bacteria, ...
Polymers
Feb 11, 2020
0
8
When faced with difficult terrain, off-road vehicles can switch from two- to four-wheel drive to keep moving forward. Similarly, cell migration can be driven either by protrusion-directed crawling, or by contractile pulling ...
General Physics
May 21, 2019
0
5
