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

Cars That Think

And a follow-up to that article, “ A Web-Enabled, High Quality, DIY Audio Amp ” (March 2022), comes in at No. A third of the top 15 articles relate to wireless and radio tech, with one concerning a home-brew radio telescope (October 2019). Are there trends in DIY projects you think we’re missing? Drop me a line at cass.s@ieee.org

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Energy Harvesting for Wearable Technology Steps Up

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Wearable devices, like nearly every other piece of tech, need energy. It’s in the sun’s rays and radio waves, the skin’s sweat and body heat, a person’s motion and their footfalls. The best-known wearable energy-harvesting tech today is, of course, solar, which pulls down electrons from sunlight or ambient light. milliwatts.

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Ukrainian Volunteers Use 3D Printers to Save Lives

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Thanks to these communication systems and volunteer centers, it was possible to supply personal protective equipment (like face shields ) for physicians and social workers. The Ukrainian company 3D Tech ADDtive was the first to come up with an initiative to defend Ukraine.

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Build Your Own Hi-fi Ear Defenders

Cars That Think

But this tech gets you only so far: Noise cancellation works just for relatively low frequencies, and the overall hearing protection that earbuds can offer is also relatively limited. Earplugs or over-the-ear defenders are an option, but they block wanted as well as unwanted sounds.

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Andrew Leland on Assistive Tech for the Blind

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If you think about the blind person, you know having a mouse isn’t very useful because they can’t see where the pointer is. Everything that a sighted person can see visually, you can hear aurally with a screen reader. But I’ve listened to a couple of demos that they posted on podcast, and to a person. Leland: Yes and no.

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Best speakers ever

Electric Auto Association

Electric Auto Association Silicon Valley (EAASV), established in 1967 as the original Electric Auto (now Vehicle) Association, has a long history of attracting members and presenting speakers who have gone on to become tech and transportation luminaries. More recently, Gage became the CEO of EVGrid , working on Vehicle-to-grid (V2G) tech.

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This New Site

Cars That Think

or scour the latest edition of Top Programming Languages (coming in August), for an emerging language poised to upend your corner of the tech sector. First, you'll see that clicking on your name in the upper right-hand corner brings up a link to your personal profile page. If you're reading this in the physical pages of.

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