Retrotechtacular: 3D-Printed Buildings, 1930s Style
https://hackaday.com/2021/10/06/retrotechtacular-3d-printed-buildings-1930s-style/

Here we are in the future, thinking we’re so fancy and cutting edge with mega-scale 3D printers that can extrude complete, ready-to-occupy buildings, only to find out that some clever …read more (https://hackaday.com/2021/10/06/retrotechtacular-3d-printed-buildings-1930s-style/)

BBC micro:bit Reads Morse Code with MakeCode
https://hackaday.com/2021/10/06/bbc-microbit-reads-morse-code-with-makecode/

We always have mixed feelings about the drag-and-drop programming languages. But we were impressed with [SirDan’s] Morse code decoder built with the graphical MakeCode. Granted, it is reading 5 element …read more (https://hackaday.com/2021/10/06/bbc-microbit-reads-morse-code-with-makecode/)

MicroGPS Sees What You Overlook
https://hackaday.com/2021/10/07/microgps-sees-what-you-overlook/

GPS is an incredibly powerful tool that allows devices such as your smartphone to know roughly where they are with an accuracy of around a meter in some cases. However, …read more (https://hackaday.com/2021/10/07/microgps-sees-what-you-overlook/)

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/