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Henry Samueli and the Rise of Digital Broadband

Cars That Think

How a DIY radio kit launched Henry Samuelis career Samuelis path toward becoming one of todays key players in digital communications started 33 years ago, when he was a seventh grader. Eliminating the delays would require changes in computer utilization or the purchase of US $650,000 worth of additional servers.

Atlanta 77
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How Ukraine’s Killer Drones Are Beating Russian Jamming

Cars That Think

In this article, originally posted on April 6, we described another bold Ukrainian drone initiative, which was applying artificial intelligence-based navigational software to enable killer drones to navigate to targets even in the presence of heavy jamming.

Ukraine 145
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DIY Gamma-Ray Spectroscopy with a Raspberry Pi Pico

Cars That Think

So when I decided to build a cheap DIY scintillating gamma spectrometer, it was the natural choice—although I didn’t realize I’d find myself navigating around teething problems of the sort that often affect a first-generation integrated circuit. This article appears in the July 2022 print issue as “DIY Gamma-Ray Spectroscopy.”.

DIY 106
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This Huge DIY Workbench Gives You a Hand

Cars That Think

After some consideration, I purchased a 2x4basics custom workbench kit (which provides the bench's heavy-gauge structural resin supports) and lumber to form the main structure, and then cut slabs of chipboard to form a top and a bottom surface. This article appears in the August 2021 print issue as “This Huge Workbench Gives You a Hand.".

DIY 115
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A DIY E-bike Conversion on the Cheap

Cars That Think

But I was in a hurry and simply mounted on the handlebars a Drok meter , which I had purchased for an earlier bicycle-based battery-charging project. This article appears in the September 2021 print issue as "An Instant E-bike.". It would have been possible to have such information displayed on a smartphone, using a.

DIY 145
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Search for Buried Treasure With This DIY Magnetometer

Cars That Think

So I read some World War II–era journal articles and learned about the magnetometers used to locate submerged German submarines. It can be purchased. This article appears in the May 2022 print issue as “A DIY Magnetometer.”. With that information, I constructed what’s called a fluxgate magnetometer. I connected this.

DIY 98
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A DIY E-bike Conversion on the Cheap

Cars That Think

But I was in a hurry and simply mounted on the handlebars a Drok meter , which I had purchased for an earlier bicycle-based battery-charging project. This article appears in the September 2021 print issue as "An Instant E-bike.". It would have been possible to have such information displayed on a smartphone, using a.

DIY 98