University of Dayton researchers opened a new local lab to employ what the university says has proven to be a “one-of-a-kind” laser system.

The phase and the group velocity of light propagating in conventional optical media cannot exceed the speed of light in ...

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Electric sparks are used for welding, powering electronics, killing germs or for igniting the fuel in some car engines. Despite their usefulness, they are hard to control in open space, they split ...

The U.S. Navy has developed a directed-energy weapon that can intercept unmanned drones and possibly cruise missiles while ...