Many Hackaday readers have an interest in retro technology, but we are not the only group who scour the flea markets. Alongside us are the collectors, whose interest is as …read more (https://hackaday.com/2024/12/01/when-transistor-count-mattered/)

Electrostatic Puck: Making An Electret
https://hackaday.com/2024/12/01/electrostatic-puck-making-an-electret/

You might have heard of electrets being used in microphones, but do you know what it is? Electrets produce a semi-permanent static electric field, similar to a magnet produces a …read more (https://hackaday.com/2024/12/01/electrostatic-puck-making-an-electret/)

Stripping GoPros To The Bone For Model Rocketry
https://hackaday.com/2024/12/01/stripping-gopros-to-the-bone-for-model-rocketry/

The small size of action cameras has made them a great solution for getting high-quality experimental footage where other cameras don’t fit. GoPros are [Joe Barnard]’s camera of choice for …read more (https://hackaday.com/2024/12/01/stripping-gopros-to-the-bone-for-model-rocketry/)

Balancing Balls With A Touchpad
https://hackaday.com/2024/12/02/balancing-balls-with-a-touchpad/

Energy is expensive these days. There’s no getting around it. If, like [Giovanni], you want to keep better track of your usage, you might find value in his DIY energy …read more (https://hackaday.com/2024/12/02/balancing-balls-with-a-touchpad/)

Building Experience and Circuits for Lithium Capacitors
https://hackaday.com/2024/12/02/building-experience-and-circuits-for-lithium-capacitors/

For the cautious, a good piece of advice is to always wait to buy a new product until after the first model year, whether its cars or consumer electronics or …read more (https://hackaday.com/2024/12/02/building-experience-and-circuits-for-lithium-capacitors/)

Exploring the Sounds and Sights Of Alien Worlds
https://hackaday.com/2024/12/02/exploring-the-sounds-and-sights-of-alien-worlds/

The 20th century saw humankind’s first careful steps outside of the biosphere in which our species has evolved. Whereas before humans had experienced the bitter cold of high altitudes, the …read more (https://hackaday.com/2024/12/02/exploring-the-sounds-and-sights-of-alien-worlds/)

Small Feathers, Big Effects: Reducing Stall Speeds With Strips Of Plastic
https://hackaday.com/2024/12/02/small-feathers-big-effects-reducing-stall-speeds-with-strips-of-plastic/

Birds have long been our inspiration for flight, and researchers at Princeton University have found a new trick in their arsenal: covert feathers. These small feathers on top of birds’ …read more (https://hackaday.com/2024/12/02/small-feathers-big-effects-reducing-stall-speeds-with-strips-of-plastic/)

A Brief History of Calculator Watches
https://hackaday.com/2024/12/02/a-brief-history-of-calculator-watches/