News tagged with negative charge
Yeast in a shell: Coating individual living yeast cells with silicon dioxide
Nov 03, 2009 |
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(PhysOrg.com) -- Our breakfast egg is a peculiarity of nature: a single cell protected by a thin mineral layer. Apart from a number of tiny radiolaria and diatoms, individual cells normally do not have a hard shell. Korean ...
How Small is Too Small? Researchers Find that Polarization Changes at the Nanoscale
Sep 08, 2008 |
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(PhysOrg.com) -- How small is too small to be useful? Researchers at North Carolina State University have done nanoscale analysis on ferroelectric thin films – materials that are used in electronic devices from computer ...
Exploding chromosomes fuel research about evolution of genetic storage
Aug 21, 2008 |
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Human cells somehow squeeze two meters of double-stranded DNA into the space of a typical chromosome, a package 10,000 times smaller than the volume of genetic material it contains.
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Researchers Induce Superconductivity in an Insulator
Nov 24, 2008 |
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(PhysOrg.com) -- To continue to improve semiconductor devices, such as transistors, which form the backbone of the consumer electronics industry, researchers need to be able to control the movement and density of the electric ...
Research overturns accepted notion of neutron's electrical properties
Sep 17, 2007 |
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For two generations of physicists, it has been a standard belief that the neutron, an electrically neutral elementary particle and a primary component of an atom, actually carries a positive charge at its center and an offsetting ...
How to make negative services less unpleasant for consumers
Other Sciences / Social Sciences
Aug 07, 2009 |
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Service quality beliefs are usually positively related to customer satisfaction - the higher the perceived service quality, the higher the customer's satisfaction. However, an article published in the August issue of the ...
‘Electron Trapping’ May Impact Future Microelectronics Measurements
Jun 26, 2008 |
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Using an ultra-fast method of measuring how a transistor switches from the “off” to the “on” state, researchers at the National Institute of Standards and Technology (NIST) recently reported that they have uncovered an unusual ...
Uncovering the mechanisms of lightning varieties
Space & Earth / Earth Sciences
Mar 26, 2008 |
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The mechanism behind different types of lightning may now be understood, thanks to a combination of direct observation and computer modeling reported by a team of researchers from New Mexico Tech and Penn State.
Chemist creates trapping technique for nanoparticles
Aug 17, 2009 |
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(PhysOrg.com) -- A chemist at the University of Wisconsin-Milwaukee (UWM) has developed a kind of invisible fence for trapping and controlling particles as small as a single virus or large protein.
Moondust in the Wind
Space & Earth / Space Exploration
Apr 11, 2008 |
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Moondust is dry, desiccated stuff, and may seem like a dull topic to write about. Indeed, you could search a ton of moondust without finding a single molecule of water, so it could make for a pretty "dry" ...
Researchers provide new information about mass spectrometry
Oct 15, 2007 |
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Fresh data on mass spectrometry are presented in the report ‘Low-energy collision-induced fragmentation of negative ions derived from ortho-, meta-, and para-hydroxyphenyl carbaldehydes, ketones, and related compounds,’ produced ...
Experiment to Clarify Ancient Physics Discovery Yields More Questions
Aug 28, 2007 |
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In approximately 600 B.C., the Greek philosopher Thales of Miletos discovered that rubbing certain materials together, such as amber and wool, can cause both to become electrically charged, one positive and one negative. ...
The Ultimate Test of Atom and Neutron Neutrality
Apr 17, 2008 |
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Researchers from Stanford University have proposed a new way to test the neutrality of an atom and even a neutron, a method they say will be far more sensitive than current methods, able to probe the charge ...
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