Tiny, handheld boxes that make a sharp clicking noise saved countless American lives during the confusion of D-Day in WWII. Learn how they were used and what to do if you have one in this episode of BrainStuff.

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<p>Tiny, handheld boxes that make a sharp clicking noise saved countless American lives during the confusion of D-Day in WWII. Learn how they were used and what to do if you have one in this episode of BrainStuff.</p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

BrainStuff

How Did Clickers Save Lives on D-Day?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/11e9babf-5ef5-4d30-8ecd-ae32004b3395/transcript

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