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

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Far and away our most popular article in the last five years has been “ Build Your Own Professional-Grade Audio Amp on the Sort of Cheap ” (November 2018). And a follow-up to that article, “ A Web-Enabled, High Quality, DIY Audio Amp ” (March 2022), comes in at No. Are there trends in DIY projects you think we’re missing?

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Energy Harvesting for Wearable Technology Steps Up

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Personalized health care could revolutionize traditional medical practice,” Gao says. Gao’s first e-skin, produced in April 2020 , was made of soft, flexible rubber, and it harnessed the patient’s sweat to power the device. In the future, DIY may not even be necessary. milliwatts. The team next turned to 3D printing.

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The First Digital Camera Was The Size of a Toaster

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Registration is open ; guests can attend in person or virtually. In a 2016 interview with DIY Photography , he said cassettes were the only permanent form of “digital storage” available to him at the time. To build his digital camera, Sasson scavenged a lens and an exposure mechanism from a Kodak XL55 movie camera.

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A Smart Artificial Pancreas Could Conquer Diabetes

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A person who requires insulin must walk a tightrope. If it falls too low, the person may faint; if it rises too high and stays elevated for too long, the person may go into a coma. Inconsistency : Insulin action differs between people, and even within the same person at different times. Beta Bionics. Bigfood Biomedical.

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