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Sometimes the solution to a problem we're having can come from old school technologies: the stuff that was cool until we discarded it for something new and better. These old tech artifacts can be modified to meet the needs of modern-day problems, we just don't know exactly how yet.
The Zenith Space Command TV remote
The Zenith Space Command TV remote
(via The buttons on Zenith’s original ‘clicker’ TV remote were a mechanical marvel - The Verge)
The Space Command is a product of mechanical engineering rather than electrical. By pressing a button on the remote, you set off a spring-loaded hammer that strikes a solid aluminum rod in the device, which then rings out at an ultrasonic frequency. Each button has a different length rod, thus a different high-frequency tone, which triggers a circuit connected to a microphone in the television to finish the command.
fascinating old-school tech
Source: theverge.com
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