The University of Pennsylvania has a team that did a little light research. Well, not light in the usual sense of that phrase. They used very strong light to levitate …read more (https://hackaday.com/2022/02/23/levitating-with-light/)

Astra’s Frugal Design Leads To Latest Unusual Failure
https://hackaday.com/2022/02/23/astras-frugal-design-leads-to-latest-unusual-failure/

We’ve all heard it said, and it bears repeating: getting to space is hard. But it actually gets even harder the smaller your booster is. That’s because the structure, engines, …read more (https://hackaday.com/2022/02/23/astras-frugal-design-leads-to-latest-unusual-failure/)

Pressure Gauge Built In A Vacuum
https://hackaday.com/2022/02/23/pressure-gauge-built-in-a-vacuum/

Necessity might be the mother of all invention, but we often find that inventions around here are just as often driven by expensive off-the-shelf parts and a lack of willingness …read more (https://hackaday.com/2022/02/23/pressure-gauge-built-in-a-vacuum/)

Inputs of Interest: Canadian MCM/70 Was Kinda Like the First Cyberdeck
https://hackaday.com/2022/02/23/inputs-of-interest-canadian-mcm-70-was-kinda-like-the-first-cyberdeck/

Not to start a debate in the comments or anything, but what would you say was the first microcomputer, or personal computer? We suppose the answer depends on your definition. …read more (https://hackaday.com/2022/02/23/inputs-of-interest-canadian-mcm-70-was-kinda-like-the-first-cyberdeck/)

Coin Cell Eliminator Does More Than Save Batteries
https://hackaday.com/2022/02/23/coin-cell-eliminator-does-more-than-save-batteries/

Coin cells are useful things that allow us to run small electronic devices off a tiny power source. However, they don’t have a lot of capacity, and they can run …read more (https://hackaday.com/2022/02/23/coin-cell-eliminator-does-more-than-save-batteries/)

Pulling Off A CRT Transplant Doesn’t Have To Be Tricky!
https://hackaday.com/2022/02/23/pulling-off-a-crt-transplant-doesnt-have-to-be-tricky/

Whether it’s an engine swap in an old car or pulling a hard drive out of an old computer, we often find ourselves transplanting bits from one piece of hardware …read more (https://hackaday.com/2022/02/23/pulling-off-a-crt-transplant-doesnt-have-to-be-tricky/)

Bend It Like (Sonar) Beacon With A Phased Array
https://hackaday.com/2022/02/23/bend-it-like-sonar-beacon-with-a-phased-array/

Ultrasonic transducers are incredible, with them you can detect distances, as well as levitate and peer through objects. They can emit and receive ultrasonic soundwaves (typically above 18khz) and just …read more (https://hackaday.com/2022/02/23/bend-it-like-sonar-beacon-with-a-phased-array/)