EDIT: Let’s cool it with the downvotes, dudes. We’re not out to cut funding to your black hole detection chamber or revoke the degrees of chiropractors just because a couple of us don’t believe in it, okay? Chill out, participate with the prompt and continue with having a nice day. I’m sure almost everybody has something to add.

  • azulavoir
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    1 year ago

    I made a laser radio once - hooked up the transmitter half of it (AM) to a laser pointer, then beamed it across the room to a photoreceptor which then turned that back into sound played from my phone. Was a cool way to learn a bit of electrical engineering