The name does not sound menacing. But the U.S. Defense Department's "Active Denial System" will make you turn and run.
Wired.com Senior Writer, Spencer Ackerman let the military use the so-called Pain Ray on him.
Want more? You can read his piece here.
Catch News Stream with Kristie Lu Stout weekdays at 8pm HKT/ 12pm GMT / 8am ET on CNN International.