All living things must obey the laws of physics—including the second law of thermodynamics, which states that the universe's disorder, or entropy, can only grow. Highly ordered cells and organisms appear to contradict this ...
General Physics
Aug 27, 2013
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2
Physicist Richard Feynman in his famous 1959 talk, "Plenty of Room at the Bottom," described the precise control at the atomic level promised by molecular machines of the future. More than 50 years later, synthetic molecular ...
Other
Nov 25, 2011
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0
(Phys.org)—Every great structure, from the Empire State Building to the Golden Gate Bridge, depends on specific mechanical properties to remain strong and reliable. Rigidity—a material's stiffness—is of particular importance ...
Nanophysics
Feb 11, 2013
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Researchers at the Georgia Institute of Technology want to put your signature up in lights – tiny lights, that is. Using thousands of nanometer-scale wires, the researchers have developed a sensor device that converts mechanical ...
Optics & Photonics
Aug 11, 2013
0
0
Every computing system, biological or synthetic, from cells to brains to laptops, has a cost. This isn't the price, which is easy to discern, but an energy cost connected to the work required to run a program and the heat ...
General Physics
May 13, 2024
0
244
You've seen it in movies: the human-like, robot assassin quickly regenerates its structure after being damaged beyond recognition. This "Terminator" scenario is becoming less far-fetched as recent advances in structural health ...
Condensed Matter
Dec 7, 2010
11
0
(Phys.org)—Scientists may be a step closer to cracking one of the world's most compelling mysteries: the impossible complexity of the brain and its billions of neurons. Cornell researchers have demonstrated a new way of ...
Optics & Photonics
Jan 22, 2013
1
0
Did different species of early humans interbreed and produce offspring of mixed ancestry?
Plants & Animals
Dec 7, 2012
5
0
A study by physicists and neuroscientists from the University of Chicago, Harvard and Yale describes how connectivity among neurons comes about through general principles of networking and self-organization, rather than the ...
General Physics
Jan 17, 2024
6
175
A new company will commercialize sensing technology invented at Harvard University that can perform instant, in-field characterization of the chemical make-up and material properties of unknown liquids.
Analytical Chemistry
Aug 4, 2016
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