(PhysOrg.com) -- Researchers from the National Renewable Energy Laboratory (NREL) have reported the first solar cell that produces a photocurrent that has an external quantum efficiency greater than 100 percent when photoexcited ...
General Physics
Dec 15, 2011
47
0
Scientists have uncovered a root cause of the growth of needle-like structures—known as dendrites and whiskers—that plague lithium batteries, sometimes causing a short circuit, failure, or even a fire.
Nanophysics
Oct 14, 2019
11
888
Scientists for the first time have witnessed pieces of metal crack, then fuse back together without any human intervention, overturning fundamental scientific theories in the process. If the newly discovered phenomenon can ...
Analytical Chemistry
Jul 19, 2023
4
4852
US officials and scientists have begun laying the groundwork for a more secure "virtually unhackable" internet based on quantum computing technology.
Quantum Physics
Jul 24, 2020
20
4632
Scientists have identified a mechanism that could turn out to be a big contributor to warming in the Arctic region and melting sea ice.
Earth Sciences
Nov 3, 2014
42
0
The chemical secrets of a concrete Roman breakwater that has spent the last 2,000 years submerged in the Mediterranean Sea have been uncovered by an international team of researchers led by Paulo Monteiro of the U.S. Department ...
Materials Science
Jun 4, 2013
28
5
As populations boom and chronic droughts persist, coastal cities like Carlsbad in Southern California have increasingly turned to ocean desalination to supplement a dwindling fresh water supply. Now scientists at the Department ...
Materials Science
Jul 31, 2019
8
1343
(AP) -- The Environmental Protection Agency says it will wait until this fall to decide whether U.S. car engines can handle higher concentrations of ethanol in gasoline.
Energy & Green Tech
Jun 18, 2010
6
0
Would you wear clothing made of muscle fibers? Use them to tie your shoes or even wear them as a belt? It may sound a bit odd, but if those fibers could endure more energy before breaking than cotton, silk, nylon, or even ...
Biotechnology
Aug 30, 2021
0
1569
(PhysOrg.com) -- When most of us think of an atom, we think of tiny electrons whizzing around a stationary, dense nucleus composed of protons and neutrons, collectively known as nucleons. A collaboration between the U.S. ...
General Physics
Mar 2, 2012
14
1
