btrhdr
" data-medium-file="https://hackaday.com/wp-content/uploads/2022/04/spectrum-40-featured.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/04/spectrum-40-featured.jpg?w=800">It’s an auspicious moment for retrocomputing fans, as it’s now four decades since the launch of the Sinclair ZX Spectrum. This budget British microcomputer was never the best of the …read more (https://hackaday.com/2022/04/26/the-sinclair-zx-spectrum-turns-40/)

Pianolizer Helps Your Musical Projects Distinguish Notes
https://hackaday.com/2022/04/26/pianolizer-helps-your-musical-projects-distinguish-notes/

[Stanislaw Pusep] has gifted us with the Pianolizer project – an easy-to-use toolkit for music exploration and visualization, an audio spectrum analyzer helping you turn sounds into piano notes. You …read more (https://hackaday.com/2022/04/26/pianolizer-helps-your-musical-projects-distinguish-notes/)

Modern Wildfires And Their Effect On The Ozone Layer
https://hackaday.com/2022/04/26/modern-wildfires-and-their-effect-on-the-ozone-layer/

The ozone layer is a precious thing, helping protect the Earth from the harshest of the sun’s radiative output. If anything were to damage this layer, we’d all feel the …read more (https://hackaday.com/2022/04/26/modern-wildfires-and-their-effect-on-the-ozone-layer/)

2022 Sci-Fi Contest: Multi-Sensor Measurement System
https://hackaday.com/2022/04/26/2022-sci-fi-contest-multi-sensor-measurement-system/

Many sci-fi movies and TV shows feature hand-held devices capable of sensing all manner of wonderful things. The µ Spec Mk II from [j] is built very much in that …read more (https://hackaday.com/2022/04/26/2022-sci-fi-contest-multi-sensor-measurement-system/)

A Baudot Code Speaking Chatterbot With A Freakish Twist
https://hackaday.com/2022/04/26/a-baudot-code-speaking-chatterbot-with-a-freakish-twist/

https://www.youtube.com/watch?v=OYJti8dJMV4
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/04/Snap-2022-04-24-at-20.22.56.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/04/Snap-2022-04-24-at-20.22.56.png?w=800">[Sam Battle] known on YouTube as [Look Mum No Computer] is mostly known as a musical artist, but seems lately to have taken a bit of shine to retro telecoms …read more (https://hackaday.com/2022/04/26/a-baudot-code-speaking-chatterbot-with-a-freakish-twist/)

Simple Photo Enlarger Makes Great Addition To Any Darkroom
https://hackaday.com/2022/04/26/simple-photo-enlarger-makes-great-addition-to-any-darkroom/

Chemical-based photography can seem like a dark art at times, but it needn’t be so. [Dan K] developed the Simple Enlarger to help spread the idea that classical photographic darkroom …read more (https://hackaday.com/2022/04/26/simple-photo-enlarger-makes-great-addition-to-any-darkroom/)

Fort Knutz – Squirrels Go All Mission Impossible
https://hackaday.com/2022/04/26/fort-knutz-squirrels-go-all-mission-impossible/

Suburban backyard with a squirrel obstacle course.
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/04/fortknutsfeature.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/04/fortknutsfeature.png?w=800">[Mark Rober] has a bird feeder in his back yard. Also, squirrels who eat the seed. So, as one does, he built a nine part squirrel obstacle course with a …read more (https://hackaday.com/2022/04/26/fort-knutz-squirrels-go-all-mission-impossible/)