### US court confirms danger posed by 'sound cannons'

A New York appeals court on Wednesday upheld a lower court's ruling that two police officers' use of a "sound cannon" was an unconstitutional abuse of force.

A New York appeals court on Wednesday upheld a lower court's ruling that two police officers' use of a "sound cannon" was an unconstitutional abuse of force.

Jun 14, 2018
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Other

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Researchers have demonstrated that an amoeba—a single-celled organism consisting mostly of gelatinous protoplasm—has unique computing abilities that may one day offer a competitive alternative to the methods used by conventional ...

An Anglo-American trio presented the prize-winning solution to a 35-year old maths problem Friday, but verifying it may be a problem in itself: reading it would take 10 billion years.

Jul 08, 2016
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Mathematics

3157
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Early weaning increases aggression and stereotypic behaviour in cats, shows a new study from Professor Hannes Lohi's research group. Based on the study conducted at the University of Helsinki, the recommended weaning age ...

Sep 13, 2017
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Plants & Animals

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For chronic pain sufferers, it may be smart to let sleeping dogs lie, a new University of Alberta study suggests.

Oct 16, 2018
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Social Sciences

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(Phys.org)—A trio of researchers has solved a single math problem by using a supercomputer to grind through over a trillion color combination possibilities, and in the process has generated the largest math proof ever—the ...

(Phys.org)—László Babai with the Department of Computer Science and Mathematics at the University of Chicago has caused a lot of excitement in the computer science community by announcing recently during a lecture that ...

(Phys.org)—How do you arrange a group of points on the surface of a sphere so that all the points are as far apart from each other as possible? With two points, the answer is easy: place them on opposite sides of the sphere, ...

Professional biologist and amateur mathematician Aubrey de Grey has partially solved the Hadwiger-Nelson problem, which has vexed mathematicians since 1950. He has published a paper describing the solution on the arXiv preprint ...

Optimization problems are everywhere in engineering: Balancing design tradeoffs is an optimization problem, as are scheduling and logistical planning. The theory—and sometimes the implementation—of control systems relies ...

Oct 23, 2015
in
Computer Sciences

3130
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