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/

When humans counted on their fingers, everyone had a state-of-the-art (at the time) calculator at all times. But as we got smarter about calculation, we missed that convenience. When slide …read more (https://hackaday.com/2024/12/02/a-brief-history-of-calculator-watches/)

A Free Speed Boost For Your Pi 5
https://hackaday.com/2024/12/02/a-free-speed-boost-for-your-pi-5/

The world of the overclocker contains many arcane tweaks to squeeze the last drops of performance from a computer, many of which require expert knowledge to understand. Happily for Raspberry …read more (https://hackaday.com/2024/12/02/a-free-speed-boost-for-your-pi-5/)

Unique 3D Printer Has a Print Head With a Twist
https://hackaday.com/2024/12/02/unique-3d-printer-has-a-print-head-with-a-twist/

If you’re used to thinking about 3D printing in Cartesian terms, prepare your brain for a bit of a twist with [Joshua Bird]’s 4-axis 3D printer that’s not quite like …read more (https://hackaday.com/2024/12/02/unique-3d-printer-has-a-print-head-with-a-twist/)

The Automatic Battery Charger You Never Knew You Needed
https://hackaday.com/2024/12/02/the-automatic-battery-charger-you-never-knew-you-needed/

When we saw [Max.K]’s automatic NiMh battery charger float past in the Hackaday tips line, it brought to mind a charger that might be automatic in the sense that any …read more (https://hackaday.com/2024/12/02/the-automatic-battery-charger-you-never-knew-you-needed/)

Modular Breadboard Snaps You Into Benchtop Tidiness
https://hackaday.com/2024/12/02/modular-breadboard-snaps-you-into-benchtop-tidiness/

Solderless breadboards are a fantastic tool for stirring the creative juices. In a few seconds, you can go from idea to prototype without ever touching the soldering iron. Unfortunately, the …read more (https://hackaday.com/2024/12/02/modular-breadboard-snaps-you-into-benchtop-tidiness/)

From Cans To Sheet Metal, With Ease
https://hackaday.com/2024/12/02/from-cans-to-sheet-metal-with-ease/

Aluminium drinks cans make a great source of thin sheet metal which can be used for all manner of interesting projects, but it’s safe to say that retrieving a sheet …read more (https://hackaday.com/2024/12/02/from-cans-to-sheet-metal-with-ease/)

Torque Testing 3D Printed Screws
https://hackaday.com/2024/12/03/torque-testing-3d-printed-screws/