# What's the reality of 'active denial systems'

**URL:** <https://boards.straightdope.com/t/whats-the-reality-of-active-denial-systems/734525>\
**Category:** Factual Questions\
**Created:** [October 13, 2015, 6:00am UTC](https://boards.straightdope.com/t/whats-the-reality-of-active-denial-systems/734525 "2015-10-13T06:00:35Z")\
**Posts on this page:** 1\
**Page:** 3

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**Author:** ![ralph124c](https://avatars.discourse-cdn.com/v4/letter/r/8797f3/32.png) [@ralph124c](https://boards.straightdope.com/u/ralph124c)\
**Post date:** [October 15, 2015, 9:11am UTC](https://boards.straightdope.com/t/whats-the-reality-of-active-denial-systems/734525/41 "2015-10-15T09:11:30Z")

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Big deal…we’ve had “_ **1920s style deathrays** _” since the 1920s.

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