Researchers have constructed a light-emitting transistor that has set a new record with a signal-processing modulation speed of 4.3 gigahertz, breaking the previous record of 1.7 gigahertz held by a light-emitting diode.
General Physics
Jun 15, 2009
0
0
(PhysOrg.com) -- By tweaking the smallest of parts, a trio of University at Buffalo engineers is hoping to dramatically increase the amount of sunlight that solar cells convert into electricity.
Nanophysics
Jan 20, 2012
27
0
Researchers at the University of California, Santa Barbara, say they've figured out the cause of a problem that's made light-emitting diodes (LEDs) impractical for general lighting purposes. Their work will help engineers ...
General Physics
Apr 19, 2011
16
0
Genetics is a crapshoot. During sexual reproduction, genes from both the mother and the father mix and mingle to produce a genetic combination unique to each offspring. In most cases, the chromosomes line up properly and ...
Biotechnology
Apr 20, 2018
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256
It's been more than 50 years since James Watson and Francis Crick showed that DNA is a double helix of two strands that complement each other. But how does a short piece of DNA find its match, out of the millions of 'letters' ...
Cell & Microbiology
Feb 8, 2012
2
0
A recent study, affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST) has introduced a novel targeted drug delivery system in the fight against cancer.
Bio & Medicine
Jan 18, 2019
0
1094
(Phys.org)—Scientists at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) have produced solar cells using nanotechnology techniques at an efficiency – 18.2%—that is competitive. The breakthrough ...
Nanophysics
Oct 15, 2012
6
0
Bacteria are the most populous organisms on the planet. They thrive in almost every known environment, adapting to different habitats by means of genetic variations that provide the capabilities essential for survival. These ...
Cell & Microbiology
Apr 5, 2012
3
0
(PhysOrg.com) -- DNA is under constant attack, from internal factors like free radicals and external ones like ionizing radiation. About 10 double-strand breaks – the kind that snap both backbones of the double helix ...
Cell & Microbiology
Apr 19, 2011
3
0
Tardigrades may be nature's ultimate survivors. While these tiny, nearly translucent animals are easily overlooked, they represent a diverse group that has successfully colonized freshwater, marine, and terrestrial environments ...
Evolution
Jan 22, 2024
0
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