For several decades antimony electrodes have been used to measure the acidity/basicity – and so to determine the pH value. Unfortunately, they allow for measuring pH changes of solutions only at a certain distance from ...
Materials Science
Dec 18, 2012
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Measuring and tracking the gases that vent from an erupting volcano is a project wrought with potential dangers and difficulties. On the ground measurements place researchers in harm's way, as do airborne sampling surveys. ...
Earth Sciences
Dec 17, 2012
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A Harvard University chemical biology lab has re-engineered optogenetic switches, photosensitive proteins called rhodopsins inserted into mammalian cells to control electrical firing, so that the switches run backward, firing ...
Cell & Microbiology
Dec 17, 2012
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Scientists from the Netherlands (Delft University of Technology and the FOM Foundation) and the UK (Element Six) have brought two atomic nuclei in a diamond into a quantum entangled state. This exotic relation was created ...
Quantum Physics
Oct 17, 2012
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As leading international scientists gather in Toronto to discuss new findings on ozone and climate change for the 22nd Quadrennial Ozone Symposium, U of T News spoke with Professor Kimberly Strong about her research, the ...
Earth Sciences
Aug 30, 2012
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(Phys.org) -- The smell of freshly cut grass may stir memories of baseball parks, cookouts or lazy summer afternoons in the suburbs, but what we perceive as a sweet aroma is actually the plant equivalent of a distress call, ...
Biotechnology
Aug 9, 2012
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By combining detailed chemical measurements in the deep ocean, in the oil slick, and in the air, NOAA scientists and academic colleagues have independently estimated how fast gases and oil were leaking during the 2010 Deepwater ...
Environment
Jan 9, 2012
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(PhysOrg.com) -- On the Earth, dust particles are everywhere - under beds, on bookshelves, even floating in the air. We take dust for granted. Dust is also common in space, and it is found for example in the cold, dark molecular ...
Astronomy
Jul 6, 2011
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(PhysOrg.com) -- In the development of future molecular devices, new display technologies, and "artificial muscles" in nanoelectromechanical devices, functional molecules are likely to play a primary role.
Nanophysics
Jul 6, 2010
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