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Hi-fi, Radio, and Retro: The DIY Projects Spectrum Readers Love

Cars That Think

The first thing that jumps out is that Spectrum readers love good quality audio, but unlike some audiophiles, they don’t see an exorbitant price tag or voodoo components as a badge of honor. And a follow-up to that article, “ A Web-Enabled, High Quality, DIY Audio Amp ” (March 2022), comes in at No. Drop me a line at cass.s@ieee.org

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Can This DIY Rocket Program Send an Astronaut to Space?

Cars That Think

That successful mission in August 2018 was a huge step toward our goal of sending an amateur astronaut to the edge of space aboard one of our DIY rockets. We have plenty of engineers, as well as people like me, a pricing manager with a skydiving hobby. Even more important, it came back down in one piece. We're now building the.

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