A bolt of cloud-to-ground (CG) lightning forms if a lightning leader develops out of the cloud and reaches the ground. Positive CG (+CG) lightning is formed by a downward positive leader and transfers positive charge into ...
Earth Sciences
Sep 30, 2021
0
7
New research has found that the electrical charge created by visiting bumblebees stimulates some flowers to release more of their sweet-smelling scent. This is the first time a plant has been shown to use the presence of ...
Plants & Animals
Sep 21, 2021
0
5910
When two substances are brought together, they will eventually settle into a steady state called thermodynamic equilibrium; examples include oil floating on top of water and milk mixing uniformly into coffee. Researchers ...
Soft Matter
Sep 15, 2021
0
996
Ohm's law is well-known from physics class. It states that the resistance of a conductor and the voltage applied to it determine how much current will flow through the conductor. The electrons in the material—the negatively ...
Nanophysics
Sep 9, 2021
0
765
Using a groundbreaking new technique at the National Institute of Standards and Technology (NIST), an international collaboration led by NIST researchers has revealed previously unrecognized properties of technologically ...
General Physics
Sep 9, 2021
12
297
A team of scientists at the Tufts University School of Engineering has developed a new filtering technology. Inspired by biology, it could help curb a drinking water-related disease that affects tens of millions of people ...
Polymers
Sep 6, 2021
1
315
The organic solar cell (OSC) heterojunction interface is where key photophysical processes such as charge separation and recombination occur. The molecular orientation at the interface is one of the key factors that determine ...
Materials Science
Sep 6, 2021
0
57
Progress in lithium-ion (Li-ion) batteries have made all sorts of portable devices feasible and fueled the growth of electronics. However, the intrinsic disadvantages of conventional Li-ion batteries, whose cells use a liquid ...
Materials Science
Aug 27, 2021
0
233
A ground-breaking detector that aims to use quartz to capture high frequency gravitational waves has been built by researchers at the ARC Centre of Excellence for Dark Matter Particle Physics (CDM) and the University of Western ...
General Physics
Aug 24, 2021
14
3715
Because of their high storage capacity, metal oxides are a promising class of potential conversion-type electrode materials for next-generation lithium-ion batteries. Conversion-type electrode materials undergo conversion ...
Materials Science
Aug 11, 2021
0
311
