Why does a mouse's heart beat about the same number of times in its lifetime as an elephant's, although the mouse lives about a year, while an elephant sees 70 winters come and go? Why do small plants and animals mature faster ...
Evolution
Feb 17, 2014
31
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You're shopping for holiday gifts when you spot someone pocketing a nice pair of leather gloves. What do you do?
Social Sciences
Dec 10, 2013
6
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(Phys.org)—Imagine a cell phone charger that recharges your phone remotely without even knowing where it is; a device that targets and destroys tumors, wherever they are in the body; or a security field that can disable ...
General Physics
Feb 21, 2013
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(Phys.org)—Modern precision measurements are spectacular feats of engineering. An excellent example is determining the passage of time. Before John Harrison's marine chronometer in the mid 18th century, ship clocks lost ...
General Physics
Dec 6, 2012
4
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(Phys.org)—PFC supported scientists at JQI have created the first controllable atomic circuit that functions analogously to a superconducting quantum interference device (SQUID) and allows operators to select a particular ...
Quantum Physics
Nov 29, 2012
1
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(Phys.org) -- Researchers at the Center for Nanophysics and Advanced Materials of the University of Maryland have developed a new type of hot electron bolometer a sensitive detector of infrared light, that can be used in ...
Nanomaterials
Jun 4, 2012
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(Phys.org) -- A team of University of Maryland scientists have discovered that when electric current is run through carbon nanotubes, objects nearby heat up while the nanotubes themselves stay cool, like a toaster that burns ...
Nanophysics
Apr 10, 2012
14
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(PhysOrg.com) -- Transistors, resistors, capacitors, and diodes. All of these are examples of common electrical circuit elements that can be found on a computer motherboard, for instance. Billions of transistors make up a ...
Optics & Photonics
Mar 23, 2012
1
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(PhysOrg.com) -- Just as NASA engineers test new rocket designs in computer studies before committing themselves to full prototypes, so physicists will often model matter under various circumstances to see whether something ...
Quantum Physics
Feb 29, 2012
1
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(PhysOrg.com) -- Collective, or coordinated behavior is routine in liquids, where waves can occur as atoms act together. In a milliliter (mL) of liquid water, 1022 molecules bob around, colliding. When a breeze passes by, ...
Plasma Physics
Feb 6, 2012
0
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