The Zenith Space Command, one of the first wireless television remotes ever to exist.
Looks like it’s a bit of both: while they did work by emitting an ultrasonic frequency, they also made an audible click. https://www.theverge.com/23810061/zenith-space-command-remote-control-button-of-the-month
I feel like there’s a technology connections video on the topic but I could be hallucinating
A place to share and discuss Cassette Futurism: media where the technology closely matches the computers and technology of the 70s and 80s.
Whether it’s bright colors and geometric shapes, the tendency towards stark plainness, or the the lack of powerful computers and cell phones, Cassette Futurism includes: Cassettes, ROM chips, CRT displays, computers reminiscent of microcomputers like the Commodore 64, freestanding hi-fi systems, small LCD displays, and other analog technologies.
See this blog to know more.
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