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Directed energy weapons shoot painful but non-lethal beams – are similar weapons behind the Havana syndrome?

  • Written by Iain Boyd, Professor of Aerospace Engineering Sciences, University of Colorado Boulder
imageA television reporter reacts to being hit by a heat ray during a demonstration of the U.S. military's Active Denial System.Paul J. Richards/AFP via Getty Images

The latest episodes of so-called Havana syndrome, a series of unexplained ailments afflicting U.S. and Canadian diplomats and spies, span the globe. They include two diplomats in Hanoi,...

Read more: Directed energy weapons shoot painful but non-lethal beams – are similar weapons behind the Havana...

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