BBC: The US Army has transported to Afghanistan what it calls its Active Denial System, a truck-based weapon that focuses an intense, but nonlethal beam of microwaves onto enemy soldiers at distances of about 500 m. ADS is part of the Pentagon’s Joint Non-Lethal Weapons Program, which includes optical weapons that distract without blinding and acoustic weapons that focus intense sound to warn off attackers.
The finding that the Saturnian moon may host layers of icy slush instead of a global ocean could change how planetary scientists think about other icy moons as well.
Modeling the shapes of tree branches, neurons, and blood vessels is a thorny problem, but researchers have just discovered that much of the math has already been done.
January 29, 2026 12:52 PM
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