Too Smooth: Football and the “KnuckleBall” Problem
https://hackaday.com/2025/02/26/too-smooth-football-and-the-knuckleball-problem/

Picture a football (soccer ball) in your head and you probably see the cartoon ideal—a roughly spherical shape made with polygonal patches that are sewn together, usually in a familiar …read more (https://hackaday.com/2025/02/26/too-smooth-football-and-the-knuckleball-problem/)

FLOSS Weekly Episode 822: Nand2Tetris
https://hackaday.com/2025/02/26/floss-weekly-episode-822-nand2tetris/

This week, Jonathan Bennett and Rob Campbell talk with Shimon Schocken about Nand2Tetris, the free course about building a computer from first principles. What was the inspiration for the course? …read more (https://hackaday.com/2025/02/26/floss-weekly-episode-822-nand2tetris/)

Want a Truck with a Short Bed and a Long Camper Shell?
https://hackaday.com/2025/02/26/want-a-truck-with-a-short-bed-and-a-long-camper-shell/

Camper shells are a time-honored piece of truck gear, but with modern trucks having increasingly vestigial beds, the length of your overnight abode has increasingly shrunk as well. To combat …read more (https://hackaday.com/2025/02/26/want-a-truck-with-a-short-bed-and-a-long-camper-shell/)

Building a DIY Muon Tomography Device for About $100
https://hackaday.com/2025/02/26/building-a-diy-muon-tomography-device-for-about-100/

Muon tomography (muography) is the practice of using muons generated by cosmic rays interacting with Earth’s atmosphere (or equivalent) to image structures on Earth’s surface, akin to producing an X-ray. …read more (https://hackaday.com/2025/02/26/building-a-diy-muon-tomography-device-for-about-100/)

District Heat Pump Systems Save Money and Gas Utilities
https://hackaday.com/2025/02/26/district-heat-pump-systems-save-money-and-gas-utilities/

A drill bores geothermal wells near the Rose Kennedy Lane housing complex in Framingham. (Robin Lubbock/WBUR)
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/02/0817_geothermal-08-1-1920x1196-1.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/02/0817_geothermal-08-1-1920x1196-1.jpg?w=800">Ground-source heat pump systems are one of the most efficient ways to do climate control, but digging the wells can be prohibitively expensive for the individual citizen. What if you …read more (https://hackaday.com/2025/02/26/district-heat-pump-systems-save-money-and-gas-utilities/)

SHOUT For Smaller QR Codes
https://hackaday.com/2025/02/26/shout-for-smaller-qr-codes/

QR codes have been with us for a long time now, and after passing through their Gardenesque hype cycle of inappropriate usage, have now settled down to be an important …read more (https://hackaday.com/2025/02/26/shout-for-smaller-qr-codes/)

Shelved Kindle Gets New Life as Weather Display
https://hackaday.com/2025/02/27/shelved-kindle-gets-new-life-as-weather-display/