If you only think of wheels as round, you’re limiting yourself from experiencing the true wider world of whacky designs. [wadevag] has been experimenting with some such concepts, and has …read more (https://hackaday.com/2021/08/18/build-an-amphibious-robot-using-pool-noodles-for-wheels/)

DIY Source Measurement Unit Shows All The Details
https://hackaday.com/2021/08/18/diy-source-measurement-unit-shows-all-the-details/

An SMU or Source Measurement Unit works a bit like a power supply, in that it can source current into a load and a bit like an electronic load, in …read more (https://hackaday.com/2021/08/18/diy-source-measurement-unit-shows-all-the-details/)

Phased Array Levitation Is Science in Action
https://hackaday.com/2021/08/18/phased-array-levitation-is-science-in-action/

Levitation may seem like magic. However, for certain objects, and in certain conditions, it’s actually a solved technology. If you want to move small particles around or do experiments with …read more (https://hackaday.com/2021/08/18/phased-array-levitation-is-science-in-action/)

Commander X16: A Dreamy 8 bit Computer Comes Closer To Reality
https://hackaday.com/2021/08/18/commander-x16-a-dreamy-8-bit-computer-comes-closer-to-reality/

Imagine the ultimate homage to 1980s 8-bit home computers. It might  look like [David Murray] aka The 8-Bit Guy’s Commander X16. As a core group of geeks, hackers, and developers …read more (https://hackaday.com/2021/08/18/commander-x16-a-dreamy-8-bit-computer-comes-closer-to-reality/)

Custom Compression Squeezes Classic Computer Choruses Into A Tiny Controller
https://hackaday.com/2021/08/19/custom-compression-squeezes-classic-computer-choruses-into-a-tiny-controller/

Geeks of a certain vintage will have fond memories of games that were simplistic by today’s standards, but drew one in all the same. Their low fidelity graphics were often …read more (https://hackaday.com/2021/08/19/custom-compression-squeezes-classic-computer-choruses-into-a-tiny-controller/)

Manitoban Makes Open Software Demo of Proprietary Vaccine Verification Systems
https://hackaday.com/2021/08/19/manitoban-makes-open-software-demo-of-proprietary-vaccine-verification-systems/

frame grab from the project’s YouTube video
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/08/qr-feature.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/08/qr-feature.png?w=800">[Mark Jenkins] wasn’t impressed with the Covid 19 vaccination verification systems that restaurants in Manitoba are required to use. Patrons must present a QR code, which must be verified by …read more (https://hackaday.com/2021/08/19/manitoban-makes-open-software-demo-of-proprietary-vaccine-verification-systems/)

Where’s that Radio? A Brief History of Direction Finding
https://hackaday.com/2021/08/19/wheres-that-radio-a-brief-history-of-direction-finding/

We think of radio navigation and direction finding as something fairly modern. However, it might surprise you that direction finding is nearly as old as radio itself. In 1888, Heinrich …read more (https://hackaday.com/2021/08/19/wheres-that-radio-a-brief-history-of-direction-finding/)

Why You Can’t Make Build A Wearable Display With A Just A Transparent OLED
https://hackaday.com/2021/08/19/why-you-cant-make-build-a-wearable-display-with-a-just-a-transparent-oled/