By and large, toilet design hasn’t radically changed in a good long time. The problem was considered solved, and society moved on. However, [Handy Geng] was tasked by a friend …read more (https://hackaday.com/2021/11/20/the-pros-and-cons-of-a-power-flush-toilet/)

The (Sodium Chloride) Crystal Method
https://hackaday.com/2021/11/20/the-sodium-chloride-crystal-method/

[Chase’s] post titled “How to Grow Sodium Chloride Crystals at Home” might as well be called “Everything You Always Wanted to Know about Salt Crystals (but Were Afraid to Ask).” …read more (https://hackaday.com/2021/11/20/the-sodium-chloride-crystal-method/)

Cheating a Pedometer The Easy Way
https://hackaday.com/2021/11/20/cheating-a-pedometer-the-easy-way/

These days, pedometers are integrated into just about every smartwatch on the market, and some of the dumber ones too. Tracking step counts has become a global pastime, and at …read more (https://hackaday.com/2021/11/20/cheating-a-pedometer-the-easy-way/)

FlowIO Takes Top Honors in the 2021 Hackaday Prize
https://hackaday.com/2021/11/20/flowio-takes-top-honors-in-the-2021-hackaday-prize/

FlowIO Platform, a modular pneumatics controller for soft robotics and smart material projects, took home Grand Prize honors at the 2021 Hackaday Prize. Aside from the prestige of coming out …read more (https://hackaday.com/2021/11/20/flowio-takes-top-honors-in-the-2021-hackaday-prize/)

PSSST! Here’s A Novel SSB Radio Design With Only Seven Transistors
https://hackaday.com/2021/11/20/pssst-heres-a-novel-ssb-radio-design-with-only-seven-transistors/

When [Pete Juliano] sat down to design a sideband transceiver for the 20 Meter (14 MHz) ham radio band, he eschewed the popular circuits that make up so many designs. …read more (https://hackaday.com/2021/11/20/pssst-heres-a-novel-ssb-radio-design-with-only-seven-transistors/)

Light-Tracking BEAM Robot Can See The Light
https://hackaday.com/2021/11/21/light-tracking-beam-robot-can-see-the-light/

BEAM robotics, which stands for Biology, Electronics, Aesthetics, and Mechanics, is an ethos that focuses on building robots with simple analog circuits. [NanoRobotGeek] built a great example of the form, …read more (https://hackaday.com/2021/11/21/light-tracking-beam-robot-can-see-the-light/)

A Trackball So Good You Can’t Buy It
https://hackaday.com/2021/11/21/a-trackball-so-good-you-cant-buy-it/

The projects we feature on Hackaday are built to all standards, and we’d have to admit that things have left our own benches as bundles of wire and tape. Sometimes …read more (https://hackaday.com/2021/11/21/a-trackball-so-good-you-cant-buy-it/)

Polymer Discovery Gives 3D-printed Sand Super Strength
https://hackaday.com/2021/11/21/polymer-discovery-gives-3d-printed-sand-super-strength/