Welcome to Time Machines, where we offer up a selection of mechanical oddities, milestone gadgets and unique inventions to test out your tech-history skills. It bears a passing resemblance to the vinyl record, but this futuristic concept was envisioned as more than just sound on a platter. The recording method involved electron beams and lasers; the base material was a coated, transparent plastic disc; and you'd get both an eyeful and an earful from the end product. Its intended goal in the mark...
Welcome to Time Machines, where we offer up a selection of mechanical oddities, milestone gadgets and unique inventions to test out your tech-history skills. It bears a passing resemblance to the vinyl record, but this futuristic concept was envisioned as more than just sound on a platter. The recording method involved electron beams and lasers; the base material was a coated, transparent plastic disc; and you'd get both an eyeful and an earful from the end product. Its intended goal in the mark...
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