Imagine if, somehow, telephones of all kinds had not been invented. Then, this morning, someone entered a big corporation board room and said, “We’d like to string copper wire to …read more (https://hackaday.com/2024/02/08/the-end-of-landlines/)

A Tube Tester Laid Bare
https://hackaday.com/2024/02/08/a-tube-tester-laid-bare/

There’s still a mystique around vacuum tubes long after they were rendered obsolete by solid state devices, and many continue to experiment with them. They can be bought new, but …read more (https://hackaday.com/2024/02/08/a-tube-tester-laid-bare/)

3D Printing Silicone Parts
https://hackaday.com/2024/02/08/3d-printing-silicone-parts/

Silicone is a useful material for many purposes. Traditionally, creating something out of silicone required injection molding. That’s not difficult, but it does require a good bit of setup. As …read more (https://hackaday.com/2024/02/08/3d-printing-silicone-parts/)

Lawny Five Keeps Lawn Mowed, Snow Plowed
https://hackaday.com/2024/02/08/lawny-five-keeps-lawn-mowed-snow-plowed/

Although there’s been considerable excitement over the past half century of a Jetsons-like robotic future, outside of a few niche uses of our day-to-day lives there hasn’t been much in …read more (https://hackaday.com/2024/02/08/lawny-five-keeps-lawn-mowed-snow-plowed/)

Synthetic Spider Silk
https://hackaday.com/2024/02/08/synthetic-spider-silk/

While spider silk proteins are something you can make in your garage, making useful drag line fibers has proved a daunting challenge. Now, a team of scientists from Japan and …read more (https://hackaday.com/2024/02/08/synthetic-spider-silk/)

[Usagi] Whips a Chain Printer Into Shape
https://hackaday.com/2024/02/08/usagi-whips-a-chain-printer-into-shape/

What does it take to get a 47-year-old printer working? [Usagi Electric] shows us it’s not too hard, even if you don’t exactly know what you’re doing.  When we last …read more (https://hackaday.com/2024/02/08/usagi-whips-a-chain-printer-into-shape/)

Power Supply Efficiency Measurements
https://hackaday.com/2024/02/09/power-supply-efficiency-measurements/

Even if you don’t have a Rohde Schwarz oscilloscope, you can still enjoy their recent video about using an oscilloscope to measure power supply efficiency. Of course, you don’t have …read more (https://hackaday.com/2024/02/09/power-supply-efficiency-measurements/)