There’s gold all around us, embedded in our electronics. There are people who collect e-waste and use various methods to extract gold from them. However, it is hard to qualify …read more (https://hackaday.com/2022/08/23/theres-gold-in-that-there-graphene/)

Frequency Counter Restoration Impeded by Kittens
https://hackaday.com/2022/08/24/frequency-counter-restoration-impeded-by-kittens/

We think of digital displays as something you see on relatively modern gear. But some old gear had things like nixies or numitrons to get cool-looking retro digital displays. The …read more (https://hackaday.com/2022/08/24/frequency-counter-restoration-impeded-by-kittens/)

Macintosh Classic II With E-Ink Display
https://hackaday.com/2022/08/24/macintosh-classic-ii-with-e-ink-display/

As various antique computers age, it becomes increasingly hard to operate them as hardware begins to physically fail. Keeping these systems up and running often requires scavenging parts from other …read more (https://hackaday.com/2022/08/24/macintosh-classic-ii-with-e-ink-display/)

How Resilient is the Natural Gas Grid?
https://hackaday.com/2022/08/24/how-resilient-is-the-natural-gas-grid/

A few years ago, I managed to get myself on a mailing list from a fellow who fancied himself an expert on energy. Actually, it seemed that no area was …read more (https://hackaday.com/2022/08/24/how-resilient-is-the-natural-gas-grid/)

Telephoto Lens Without the Fiscal Pain
https://hackaday.com/2022/08/24/telephoto-lens-without-the-fiscal-pain/

If you’re in the market for a telephoto lens, the available range of optics for your camera is limited only by the size of your bank account. So when [Pixels …read more (https://hackaday.com/2022/08/24/telephoto-lens-without-the-fiscal-pain/)

Space-Based Solar Power: Folly Or Stroke Of Genius?
https://hackaday.com/2022/08/24/space-based-solar-power-folly-or-stroke-of-genius/

The Sun always shines in space, unless a pesky planet gets in the way. That’s more or less the essential thought behind space-based solar power (SBSP) as newly pitched by …read more (https://hackaday.com/2022/08/24/space-based-solar-power-folly-or-stroke-of-genius/)

Skarper E-Bike Conversion Kit Simplifies Electrifying your Bike
https://hackaday.com/2022/08/24/skarper-e-bike-conversion-kit-simplifies-electrifying-your-bike/

If you’re a Hackaday reader, it’s a good bet you could figure out how to convert your bike to use an electric motor. But you might have more important things …read more (https://hackaday.com/2022/08/24/skarper-e-bike-conversion-kit-simplifies-electrifying-your-bike/)