DIY Solar Ebike Goes Around the World, We Hope
https://hackaday.com/2021/10/07/diy-solar-ebike-goes-around-the-world-we-hope/

[Mark Havran] is on a mission to complete a solo trip around the world on his bicycle. For such a long and arduous trip, unsupported by anything other than what …read more (https://hackaday.com/2021/10/07/diy-solar-ebike-goes-around-the-world-we-hope/)

Creating Methane From Captured Carbon Dioxide And The Future Of Carbon Capture
https://hackaday.com/2021/10/07/creating-methane-from-captured-carbon-dioxide-and-the-future-of-carbon-capture/

There’s something intrinsically simple about the concept of carbon (CO2) capture: you simply have the CO2 molecules absorbed or adsorbed by something, after which you separate the thus captured CO2 …read more (https://hackaday.com/2021/10/07/creating-methane-from-captured-carbon-dioxide-and-the-future-of-carbon-capture/)

World’s Cheapest and Possibly Worst IR Camera
https://hackaday.com/2021/10/07/worlds-cheapest-and-possibly-worst-ir-camera/

Don’t blame us for the title. [CCrome] admits it may well be the cheapest and worst IR camera available. The concept is surprisingly simple. Mount a cheap Harbor Freight non-contact …read more (https://hackaday.com/2021/10/07/worlds-cheapest-and-possibly-worst-ir-camera/)

Meet the Winners of The Hackaday Prize Round Four: Redefine Robots
https://hackaday.com/2021/10/07/meet-the-winners-of-the-hackaday-prize-round-four-redefine-robots/

The judges’ ballots are in and we’re proud to present the ten winners of the fourth round of the 2021 Hackaday Prize. We love robots, and it’s obvious that you …read more (https://hackaday.com/2021/10/07/meet-the-winners-of-the-hackaday-prize-round-four-redefine-robots/)

Linux Fu: Globs vs Regexp
https://hackaday.com/2021/10/07/linux-fu-globs-vs-regexp/

I once asked a software developer at work how many times we called fork() in our code. I’ll admit, it was a very large project, but I expected the answer …read more (https://hackaday.com/2021/10/07/linux-fu-globs-vs-regexp/)

Halloween Build: Exquisite Ray Gun has Sound Effects
https://hackaday.com/2021/10/07/halloween-build-exquisite-ray-gun-has-sound-effects/

When we first saw [lonesoulsurfer’s] ray gun, we thought it looked oddly familiar. Sure, it looks like a vintage ray gun you might see in a dozen 1950-era movies or …read more (https://hackaday.com/2021/10/07/halloween-build-exquisite-ray-gun-has-sound-effects/)

C-Clamp Becomes Light-Duty Arbor Press
https://hackaday.com/2021/10/07/c-clamp-becomes-light-duty-arbor-press/