The history of warfare has been a history of measures and countermeasures.

When the airplane was invented, radar was later invented as a means of advanced detection of airplanes.

Radar then spurred the development of its own countermeasures to hide airplanes from radar so they couldn't be detected.

And today, these radar countermeasures are a key component of many military aircraft and sea vessels.

Learn more about stealth technology, how it works, and why it was developed

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previous episode, I covered the history of radar.

And just as a quick refresher,

radar is an acronym that stands for radio detection and ranging.

The technology, which was primarily developed in the 1930s,

involves sending radio waves out into the air

and then listening for the radio waves that bounce back off an object.

The technology was deployed during the Second World War and it was truly game-changing.

The British Adopin of radar helped them beat back the German Luftwaffe during the Battle of Britain.

Radar gave the British early notification of when the German planes were on the way

and it told them approximately how far away they were and in what direction.

And it wasn't just used to detect aircraft.

In fact, one of the original purposes of radar was to detect ships as well.

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