https://news.mit.edu/2021/smart-laser-cutter-system-detects-different-materials-0819
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/08/M-wMjrhg.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/08/M-wMjrhg.png?w=800">Come on now, admit it. You’ve done it. We’ve done it. You know — you were really sure that sheet of plastic stock you found lying around the hackerspace was …read more (https://hackaday.com/2021/09/06/smart-laser-cutter-ad-on-detects-material-optically/)

Pandemic Gives Passersby a Window on Cyborg Control
https://hackaday.com/2021/09/07/pandemic-gives-passersby-a-window-on-cyborg-control/

What’s this? Another fabulous creation from [Niklas Roy] and [Kati Hyyppä] that combines art and electronics with our zeitgeist and a lot of recycled bits and bobs? You got it. …read more (https://hackaday.com/2021/09/07/pandemic-gives-passersby-a-window-on-cyborg-control/)

Getting a Fly’s-Eye View with Microfabricated Lens Arrays
https://hackaday.com/2021/09/07/getting-a-flys-eye-view-with-microfabricated-lens-arrays/

Atomic force microscopy, laser ablation, and etching with a witches brew of toxic chemicals: sounds like [Zachary Tong] has been playing in the lab again, and this time he found …read more (https://hackaday.com/2021/09/07/getting-a-flys-eye-view-with-microfabricated-lens-arrays/)

Review: Hands on with the Swarm Satellite Network Eval Kit
https://hackaday.com/2021/09/07/review-hands-on-with-the-swarm-satellite-network-eval-kit/

If you have devices out in the field, you probably want to connect with them. There was a time when that was hard to do, requiring telephone wires or specialized …read more (https://hackaday.com/2021/09/07/review-hands-on-with-the-swarm-satellite-network-eval-kit/)

One Man’s Quest to Build a Baby Book With Brains
https://hackaday.com/2021/09/07/one-mans-quest-to-build-a-baby-book-with-brains/

Regular readers will know that Hackaday generally steers clear of active crowdfunding campaigns. But occasionally we do run across a project that’s unique enough that we feel compelled to dust …read more (https://hackaday.com/2021/09/07/one-mans-quest-to-build-a-baby-book-with-brains/)

Industrial Design Hack Chat
https://hackaday.com/2021/09/07/industrial-design-hack-chat/

Join us on Wednesday, September 8 at noon Pacific for the Industrial Design Hack Chat with Eric Strebel! At Hackaday, we celebrate all kinds of hardware hacks, and we try …read more (https://hackaday.com/2021/09/07/industrial-design-hack-chat/)

New Engines Could Propel The B-52 Beyond Its 100th Birthday
https://hackaday.com/2021/09/07/new-engines-could-propel-the-b-52-beyond-its-100th-birthday/

First taking to the skies in April 1952, and introduced into the US Air Force in 1955, the B-52 Stratofortress has since become a mainstay of American air power. Originally …read more (https://hackaday.com/2021/09/07/new-engines-could-propel-the-b-52-beyond-its-100th-birthday/)