The Pentagon has given the Department of Homeland Security permission to test a military-grade heat ray at the southern US border, according to a report by CNN.
The heat ray, officially known as the Active Denial System, is a non-lethal weapon that shoots an invisible beam of electromagnetic waves that causes a burning sensation when it comes into contact with human skin.
The beam can reach a little more than half a mile away, according to the US military. The burning sensation reportedly lasts between 10 and 15 minutes and generates “an instinctive and irresistible urge to run from the effect,” according to military officials.
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