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/

If you’ve ever wondered how large, hollow plastic structures like tanks and drums are formed, you’re in luck: [Andy] not only fills us in on the details of rotational casting …read more (https://hackaday.com/2022/06/03/a-rotocasting-machine-sized-for-the-home-shop/)

This Week In Security: Follina, Open Redirect RCE, and Annoyware
https://hackaday.com/2022/06/03/this-week-in-security-follina-open-redirect-rce-and-annoyware/

Depending on who you ask, there’s either 2 vulnerabilities at play in Follina, only one, or according to Microsoft a week ago, no security problem whatsoever. On the 27th of …read more (https://hackaday.com/2022/06/03/this-week-in-security-follina-open-redirect-rce-and-annoyware/)

3D Printed Flexture Shows Precision in Action
https://hackaday.com/2022/06/03/3d-printed-flexture-shows-precision-in-action/

Here’s an older but fantastic video that is as edifying as it is short. [Topias Korpi] demonstrates a 3D printed flexture with a dial indicator on one end, and an …read more (https://hackaday.com/2022/06/03/3d-printed-flexture-shows-precision-in-action/)