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Detect Quakes With “Raspberry Shakes”

Cars That Think

I have only once felt an earthquake—in 1985, when a magnitude-4 temblor occurred just north of New York City. It wasn’t until I heard the news reports later that I realized the vibration that had awakened me at 6 a.m. Searching the interwebs, I found no shortage of leads about how to build a DIY seismometer.

Panama 100
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Build a Passive Radar With Software-Defined Radio

Cars That Think

Normally, when it comes to radio-related projects, my home of New York City is a terrible place to be. If we could see and hear radio waves, it would make an EDM rave feel like a sensory deprivation tank. Radio interference plagues the metropolis.

Building 100
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The Soviet-Era, Z80-based Galaksija Dared to Be Different

Cars That Think

The Galaksija is a Z80 -based, 8-bit DIY machine, cleverly designed so that its bill of materials meshed exactly with what a Yugoslavian was able to import from Western Europe. The picture is one of a landscape littered with uninspired attempts to copy American IBM PCs, British ZX Spectrums , and other Western computers.

DIY 98