Wired: Last Friday the Senate Armed Forces Committee approved its version of the fiscal 2012 defense authorization bill. With a $664.5 billion price tag, the bill cuts 1% from President Obama’s original request and terminates two weapons programs that are under development for the US Navy: the free electron laser and the electromagnetic railgun. Both projects, designed to shoot down incoming missiles at long range, had recently passed technical milestones, but the committee still regarded them as risky, especially in light of their eventual deployment aboard warships.
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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