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From the June 25, 1932, issue
ARTIFICIAL LIGHTNING FLASHED AT 10 MILLION VOLTS The most powerful manmade lightning is flashing across the cover of this week’s Science News Letter from new equipment in the Pittsfield laboratories of the General Electric Co., which has twice the capacity of any preceding apparatus of its kind. This is a discharge through a 15-foot space […]
By Science News -
PhysicsU.S. time now flows from atom fountain
The United States has switched to the atomic fountain clock, which sets itself according to the resonant frequency of rising and falling balls of cold cesium.
By Peter Weiss -
PhysicsMagnets trap neutrons for a lifetime
A new device that uses magnets to trap neutrons may enable physicists to measure more precisely how quickly free neutrons decay, a time period with implications for understanding both the weak force and the early universe.