The fun part about crycoolers is that there are so many different and exciting ways to make stuff cold, based on a wide variety of physics. This is why after …read more (https://hackaday.com/2023/07/07/creating-a-joule-thomson-cryocooler-and-a-little-bit-of-history-at-home/)

Improved Hydrogen Fuel Cells are Groovy
https://hackaday.com/2023/07/07/improved-hydrogen-fuel-cells-are-groovy/

According to [Charles Q. Choi], a new study indicates that grooves in the hydrogen fuel cells used to power vehicles can improve their performance by up to 50%. Fuel cells …read more (https://hackaday.com/2023/07/07/improved-hydrogen-fuel-cells-are-groovy/)

This Week in Security: Bogus CVEs, Bogus PoCs, And Maybe a Bogus Breach
https://hackaday.com/2023/07/07/this-week-in-security-bogus-cves-bogus-pocs-and-maybe-a-bogus-breach/

It appears we have something of a problem. It’s not really a new problem, and shouldn’t be too surprising, but it did pop up again this week: bogus CVEs. Starting …read more (https://hackaday.com/2023/07/07/this-week-in-security-bogus-cves-bogus-pocs-and-maybe-a-bogus-breach/)

Getting a Rise With Laser Cutting
https://hackaday.com/2023/07/07/getting-a-rise-with-laser-cutting/

Your first 3D print probably seemed pretty amazing. But if you revisit it after a few years, you’ll likely notice it wasn’t nearly as good as you thought. We improve …read more (https://hackaday.com/2023/07/07/getting-a-rise-with-laser-cutting/)

Hackaday Podcast 226: Ice, Snow, and Cooling Paint in July
https://hackaday.com/2023/07/07/hackaday-podcast-226-ice-snow-and-cooling-paint-in-july/

This week, Editor-in-Chief Elliot Williams and Al Williams shoot the breeze about all things Hackaday. We start off with some fond remembrances of Don Lancaster, a legendary hardware hacker who …read more (https://hackaday.com/2023/07/07/hackaday-podcast-226-ice-snow-and-cooling-paint-in-july/)

Retrotechtacular: The Nuclear Cruise Ship of the Future Earns Glowing Reviews
https://hackaday.com/2023/07/07/retrotechtacular-the-nuclear-cruise-ship-of-the-future-earns-glowing-reviews/

The average modern cruise ship takes about 250 tons or 80,000 gallons of fuel daily. But can you imagine a cruise ship capable of circling the globe fourteen times before …read more (https://hackaday.com/2023/07/07/retrotechtacular-the-nuclear-cruise-ship-of-the-future-earns-glowing-reviews/)

A Shutter Speed Tester With Frickin’ Lasers!
https://hackaday.com/2023/07/07/a-shutter-speed-tester-with-frickin-lasers/

Buying old cameras is one of the best ways yet found to part a geek from their money, but if you don’t mind finding a few duds along the way …read more (https://hackaday.com/2023/07/07/a-shutter-speed-tester-with-frickin-lasers/)

Russian Weather Satellite Reuses Name, Yields Images
https://hackaday.com/2023/07/07/russian-weather-satellite-reuses-name-yields-images/