High-voltage experimenters have been using automotive ignition coils to generate impressive sparks in the home lab for decades, and why not? They’re cheap, easily obtainable, and at the end of …read more (https://hackaday.com/2022/01/11/honda-ignition-coils-sing-the-song-of-their-people/)

3D Printed Sensor For Finding Wind Direction And Likely Much More
https://hackaday.com/2022/01/11/3d-printed-sensor-for-finding-wind-direction-and-likely-much-more/

Have you ever wondered how an electronic wind vane translates a direction into a unique signal? It seems as though it might be very complicated, and indeed some of them …read more (https://hackaday.com/2022/01/11/3d-printed-sensor-for-finding-wind-direction-and-likely-much-more/)

Falling Down The Carbon Rabbit Hole
https://hackaday.com/2022/01/11/falling-down-the-carbon-rabbit-hole/

Research projects have a funny way of getting blown out of proportion by the non-experts, over-promising the often relatively small success that the dedicated folks doing the science have managed …read more (https://hackaday.com/2022/01/11/falling-down-the-carbon-rabbit-hole/)

Synth and Visualizer Combo has Retrocomputing Vibe
https://hackaday.com/2022/01/11/synth-and-visualizer-combo-has-retrocomputing-vibe/

[Love Hultén]’s latest piece of interactive art is the SYNTH#BOI, a super-clean build with something of the semi-cyberdeck, semi-vintage computing vibe to it. The device is a combination synthesizer and …read more (https://hackaday.com/2022/01/11/synth-and-visualizer-combo-has-retrocomputing-vibe/)

Digital Rain Animation Crammed Into Pi Pico
https://hackaday.com/2022/01/12/digital-rain-animation-crammed-into-pi-pico/

With a new Matrix movie now in cinemas, we’ve all been reminded of those screensavers that were just the coolest thing ever when the original film dropped in 1999. [en0b] decided to recreate …read more (https://hackaday.com/2022/01/12/digital-rain-animation-crammed-into-pi-pico/)

An Oil Diffusion Vacuum Pump from Thrift Store Junk
https://hackaday.com/2022/01/12/an-oil-diffusion-vacuum-pump-from-thrift-store-junk/

It seems like creating a vacuum should be a pretty easy job, but it turns out that sucking all the air out of something is harder than it seems. A …read more (https://hackaday.com/2022/01/12/an-oil-diffusion-vacuum-pump-from-thrift-store-junk/)

Regenerative Medicine: The Promise Of Undoing The Ravages Of Time
https://hackaday.com/2022/01/12/regenerative-medicine-the-promise-of-undoing-the-ravages-of-time/

In many ways, the human body is like any other machine in that it requires constant refueling and maintenance to keep functioning. Much of this happens without our intervention beyond …read more (https://hackaday.com/2022/01/12/regenerative-medicine-the-promise-of-undoing-the-ravages-of-time/)

Rohde & Schwarz FSIQ Signal Analyzer IF-Filter Module Repair
https://hackaday.com/2022/01/12/rohde-schwarz-fsiq-signal-analyzer-if-filter-module-repair/