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Today I Learned (TIL)@lemmit.onlineEnglish · 1 month ago

TIL that early TV remotes worked with a spring-loaded hammer striking a solid aluminum rod in the device, which then rings out at an ultrasonic frequency, requiring no batteries.

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TIL that early TV remotes worked with a spring-loaded hammer striking a solid aluminum rod in the device, which then rings out at an ultrasonic frequency, requiring no batteries.

www.theverge.com

Lemmit.Online bot@lemmit.onlineMB to

Today I Learned (TIL)@lemmit.onlineEnglish · 1 month ago

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The buttons on Zenith’s original “clicker” remote were a mechanical marvel

www.theverge.com

The Space Command fixed problems we still live with today.

This is an automated archive made by the Lemmit Bot.

The original was posted on /r/todayilearned by /u/antesocial on 2024-09-22 20:40:25+00:00.

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