(Phys.org) —Metamaterials are defined as artificial materials that have been engineered to have unusual properties that are not found in nature. For instance, ordinary materials (say, a rubber band) that are under tension ...
Researchers from Germany and the United States suggest that the European conquest triggered the loss of more than half the Native American population. The results of their study provide new insight into the demise of the ...
Biotechnology
Jan 24, 2012
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2
One common reason that people with fillings experience toothache is that their fillings expand at a different rate to the original tooth when, for example, drinking a hot drink. Contrary to intuition, however, not all materials ...
Materials Science
Feb 9, 2012
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Scientists at the MRC-MBU in Cambridge, U.K., have discovered how a key transport protein, called the mitochondrial ADP/ATP carrier, transports adenosine triphosphate (ATP), the chemical fuel of the cell. This process is ...
Cell & Microbiology
Jan 7, 2019
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22
Twenty metres before the finish line Usain Bolt already opens his arms in triumph and ramps up his speed: even with his "handbrake" on, at 9.58 seconds, he runs the 100 metre stretch faster than anyone ever before in 2009 ...
Biochemistry
Jul 22, 2016
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51
MIT engineers have developed a microfluidic device that replicates the neuromuscular junction—the vital connection where nerve meets muscle. The device, about the size of a U.S. quarter, contains a single muscle strip and ...
Engineering
Aug 3, 2016
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1886
Albert Einstein, one of the most celebrated modern scientists, proposed the revolutionary theory of special relativity more than a century ago. This theory forms the basis of most of what we understand about the universe, ...
General Physics
Oct 20, 2022
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100
Researchers at the Nano-Science Center at the University of Copenhagen have recently moved a big step closer to understanding chemical processes. Their world record comes from tracking the biggest contraction in an inorganic ...
Nanophysics
Sep 12, 2011
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0
A California startup is joining much bigger players in the drive to explore settlement on the moon, as plans by NASA to send astronauts back there heats up the commercial lunar market.
Space Exploration
Mar 12, 2022
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734
Apple's new iPhone 5S and 5C and last year's iPhone 5 are alike in many ways.
Consumer & Gadgets
Sep 18, 2013
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