Less-lethal weapons are drawing new interest as a series of fatal police shootings have sparked outrage and protests around the country.
Other
Aug 25, 2015
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Bullets of ice shot at high speeds can deposit organic compounds on surfaces they strike. The new findings suggest that comets might, indeed, have helped deliver key ingredients of life to Earth and perhaps elsewhere, researchers ...
Space Exploration
Dec 12, 2014
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Some 60 km southeast of Socorro, N.M., a low gravel ridge runs above the Chupadera Wash in the Rio Grande Rift Valley. The remote Mockingbird Gap is a dry, narrow strip half a mile long, but thousands of years ago it was ...
Archaeology
Oct 1, 2013
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(Phys.org) —British engineers have told reporters that a test of their space penetrator has been conducted and all signs suggest it was a complete success. The space penetrator is a bullet shaped projectile with electronics ...
(Phys.org) —A team of researchers from Aix-Marseille University in France has found that the number of cracks that appear in a pane of glass or other brittle material resulting from a projectile strike is related to the ...
From encouraging the first steps of life migrating from the oceans to the land, to stabilising Earth's axial tilt against chaotic excursions, the moon is often put forth almost as a magical ingredient – a prerequisite for ...
Space Exploration
Mar 29, 2013
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Anyone who has seen the movie "Impossible" or watched footage from the Japanese tsunami has learned the terror that can strike with little warning. In those cases, when there is no time to flee, there may still be time to ...
Engineering
Feb 5, 2013
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(Phys.org)—High-speed video of projectiles slamming into a bed of disks has given scientists a new microscopic picture of the way a meteorite or missile transfers the energy of its impact to sand and dirt grains.
General Physics
Dec 11, 2012
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Providing protection against impacts from bullets and other high-speed projectiles is more than just a matter of brute strength. While traditional shields have been made of bulky materials such as steel, newer body armor ...
Nanomaterials
Nov 7, 2012
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On the south coast of South Africa, scientists have found evidence for an advanced stone age technology dated to 71,000 years ago at Pinnacle Point near Mossel Bay. This technology, allowing projectiles to be thrown at greater ...
Archaeology
Nov 7, 2012
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