There is little to fear from nanoparticles in food
Nanomaterials, and especially nanoparticles, have been on some people's worry list for at least a decade.
Bio & Medicine
Jun 8, 2016
1
8
News tagged with silicon dioxide
VY Canis Majoris is dying, and astronomers are watching
Three-dimensional models of astronomical objects can be ridiculously complex. They can range from black holes that light doesn't even escape to the literal size of the universe and everything in between. But not every object ...
Astronomy
Jun 27, 2022
7
106
Boron nitride is a promising path to practical graphene devices
(PhysOrg.com) -- Graphene is a two-dimensional honeycomb of carbon, just one atom thick, whose intriguing electronic properties include very high electron mobility and very low resistivity. Graphene is so sensitive to its ...
Nanomaterials
May 30, 2011
3
0
New plasma transistor could create sharper displays
(PhysOrg.com) -- By integrating a solid-state electron emitter and a microcavity plasma device, researchers at the University of Illinois have created a plasma transistor that could be used to make lighter, less expensive ...
Plasma Physics
Feb 4, 2009
2
0
Researchers 'iron out' graphene's wrinkles
From an electron's point of view, graphene must be a hair-raising thrill ride. For years, scientists have observed that electrons can blitz through graphene at velocities approaching the speed of light, far faster than they ...
Nanomaterials
Apr 3, 2017
0
874
Towards more efficient solar cells
A layer of silicon nanocrystals and erbium ions may help solar cells to extract more energy from the ultraviolet (UV, high-energy) part of the solar spectrum. Experimental physicists from the FOM Foundation, the STW Technology ...
Nanophysics
Aug 13, 2014
5
1703
Nanotechnologists form near-frictionless diamond material
Researchers at the University of Pennsylvania, the University of Wisconsin-Madison and IBM Research-Zürich have fabricated an ultra sharp, diamond-like carbon tip possessing such high strength that it is 3,000 times more ...
Nanomaterials
Feb 25, 2010
4
0
Porphyrin Dimers Increase Efficiency of Dye-Sensitized Solar Cells
(PhysOrg.com) -- Porphyrins are most commonly thought of as the pigment in red blood cells, but now scientists have found that porphyrins can also be used to increase the efficiency of an inexpensive type of solar cell. In ...
Scientists improve chip memory by stacking cells
(PhysOrg.com) -- Scientists at Arizona State University have developed an elegant method for significantly improving the memory capacity of electronic chips.
Electronics & Semiconductors
Dec 21, 2009
3
0
Caltech engineers invent light-focusing device
(Phys.org)—As technology advances, it tends to shrink. From cell phones to laptops—powered by increasingly faster and tinier processors—everything is getting thinner and sleeker. And now light beams are getting smaller, ...
General Physics
Dec 7, 2012
7
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