Sorting stem cells
When an embryonic stem cell is in the first stage of its development it has the potential to grow into any type of cell in the body, a state scientists call undifferentiated.
Jan 03, 2013
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Jan 03, 2013
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Speeding up electronics to light frequencies
(Phys.org)—Modern information processing allows for breathtaking switching rates of about a 100 billion cycles per second. New results from the Laboratory for Attosecond Physics (LAP) of Prof. Ferenc Krausz ...
Dec 17, 2012
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Team to develop supermagnets using materials that mimic iron-nickel found in meteorites
(Phys.org)—Joseph Goldstein, an engineering professor at the University of Massachusetts Amherst, is part of a research team trying to produce an iron-nickel alloy that is currently only found in meteorites, for use in ...
Dec 12, 2012
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Carbon nanotubes lower nerve-damaging chloride in cells
A nanomaterial engineered by researchers at Duke can help regulate chloride levels in nerve cells that contribute to chronic pain, epilepsy, and traumatic brain injury.
Dec 10, 2012
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Researchers develop the smallest indium gallium arsenide transistor ever built
Silicon's crown is under threat: The semiconductor's days as the king of microchips for computers and smart devices could be numbered, thanks to the development of the smallest transistor ever to be built ...
Dec 10, 2012
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Making insulator conduct
(Phys.org)—New results on the interaction of femto- and attosecond light pulses with a solid insulator hold promise for reaching electronic switching rates up to the petahertz domain.
Dec 05, 2012
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Theoretical, numerical study of graphene sheets reveals property that may lead to novel opto-electric devices
One-atom-thick sheets of carbon—known as graphene—have a range of electronic properties that scientists are investigating for potential use in novel devices. Graphene's optical properties are also garnering ...
Dec 05, 2012
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Theoretical calculations show graphene's potential for controlling nanoscale light propagation on a chip
Semiconductors have revolutionized computing because of their efficient control over the flow of electrical currents on a single chip, which has led to devices such as the transistor. Working towards a similar ...
Dec 05, 2012
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X-rays illuminate nitrogen's role in single-layer graphene
(Phys.org)—Researchers using x-rays to study a single-atom-thick layer of carbon, called graphene, have learned new information about its atomic bonding and electronic properties when the material is "doped" ...
Nov 29, 2012
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Bursting through the silicon barrier: Developing carbon-based nanoelectronics with graphene
(Phys.org)—On the road towards creating smaller and smaller electronic devices, silicon blocks the way by limiting the smallness of the electronic components that can be constructed with it. A promising ...
Nov 27, 2012
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New gel material can modify properties at will
Controlling and modifying at will the transparency, electrical properties, and stiffness of a gel - such are the promises of a new discovery by researchers supported by the Swiss National Science Foundation ...
Nov 06, 2012
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Measuring table-top accelerators' state-of-the-art beams: Part Two: slicing through the electron beam
Wim Leemans of Berkeley Lab's Accelerator and Fusion Research Division heads LOASIS, the Laser and Optical Accelerator Systems Integrated Studies, an oasis indeed for students pursuing graduate studies in ...
Oct 24, 2012
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Magnetism in thin insulating films at room temperature
(Phys.org)—Researchers at the University of Twente's MESA+ Institute for Nanotechnology have succeeded in producing ultrathin films with an unusual combination of properties. At room temperature they do ...
Oct 18, 2012
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Topographical approaches to measuring graphene thickness
(Phys.org)—Graphene has long shown potential for use in electronics, but difficulties in producing the material to a high enough quality has so far prevented the commercialisation of graphene-based devices.
Sep 28, 2012
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New method provides answers to long lasting dispute about electrical insulators
Experts have been heavily discussing why exactly electrically insulating materials insulate as they do. Based on different mechanisms, a classification scheme for insulators has been in use since the 1960s ...
Sep 25, 2012
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