LED Heart Keeps Tabs on Your RuneScape Character
https://hackaday.com/2022/06/02/led-heart-keeps-tabs-on-your-runescape-character/

The MMORPG RuneScape holds a special place in the hearts of those who played it in the early 2000s. Sure it might seem exceptionally quaint by modern standards, but at …read more (https://hackaday.com/2022/06/02/led-heart-keeps-tabs-on-your-runescape-character/)

Power Up Your Pencil With the 30,000 RPM Erase-O-Matic
https://hackaday.com/2022/06/02/power-up-your-pencil-with-the-30000-rpm-erase-o-matic/

There are some inventions that look completely pointless to the untrained eye: who would ever need a motorized garbage can, an electric pencil sharpener or a battery-powered eraser? Quite often, …read more (https://hackaday.com/2022/06/02/power-up-your-pencil-with-the-30000-rpm-erase-o-matic/)

3D Printing with Sound, Directly
https://hackaday.com/2022/06/02/3d-printing-with-sound-directly/

Canadian researchers at Concordia University want to change how you do 3D printing. Instead of using light or thermal mechanisms, they propose using ultrasound-activated sonochemical reactions. Sounds wild? You can …read more (https://hackaday.com/2022/06/02/3d-printing-with-sound-directly/)

3D Printed Protection Against “Under-Door” Attacks
https://hackaday.com/2022/06/02/3d-printed-protection-against-under-door-attacks/

“Under-door” style attacks are when an attacker slides a tool through the gap underneath a door, hooks the interior handle from below, and opens the door by pulling the handle …read more (https://hackaday.com/2022/06/02/3d-printed-protection-against-under-door-attacks/)

Practical Transistors: JFETs
https://hackaday.com/2022/06/02/practical-transistors-jfets/

Transistors come in different flavors. Tubes used an electric field to regulate current flow, and researchers wanted to find something that worked the same way without the drawbacks like vacuum …read more (https://hackaday.com/2022/06/02/practical-transistors-jfets/)

Recycled Speed Boat Beats The Barnacles Out Of Your Average Rebuild
https://hackaday.com/2022/06/03/recycled-speed-boat-beats-the-barnacles-out-of-your-average-rebuild/

There’s an old saying that says “Anything is possible with enough Time, Money, or Brains. Pick two.” For [Mr HỒ Thánh Chế], the choice was obvious: Time, and Brains. This …read more (https://hackaday.com/2022/06/03/recycled-speed-boat-beats-the-barnacles-out-of-your-average-rebuild/)

A Rotocasting Machine Sized for the Home Shop
https://hackaday.com/2022/06/03/a-rotocasting-machine-sized-for-the-home-shop/