Build an Amphibious Robot Using Pool Noodles for Wheels
https://hackaday.com/2021/08/18/build-an-amphibious-robot-using-pool-noodles-for-wheels/

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/