A Chinese Type 41 submarine, without lasers
" data-medium-file="https://hackaday.com/wp-content/uploads/2024/04/Chinese_Type_041_submarine.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/04/Chinese_Type_041_submarine.jpg?w=800">If sharks with lasers on their heads weren’t bad enough, now China is working on submarines with lasers on their butts. At least, that’s what this report in the South …read more (https://hackaday.com/2024/04/24/chinese-subs-may-be-propelled-silently-by-lasers/)

Mining and Refining: Uranium and Plutonium
https://hackaday.com/2024/04/24/mining-and-refining-uranium-and-plutonium/

When I was a kid we used to go to a place we just called “The Book Barn.” It was pretty descriptive, as it was just a barn filled with …read more (https://hackaday.com/2024/04/24/mining-and-refining-uranium-and-plutonium/)

The First European Pocket Calculator Came From Yugoslavia
https://hackaday.com/2024/04/24/the-first-european-pocket-calculator-came-from-yugoslavia/

At the start of the 1970s the pocket calculator was the last word in personal electronics, and consumers in Europe looked eagerly towards Japan or the USA for a glimpse …read more (https://hackaday.com/2024/04/24/the-first-european-pocket-calculator-came-from-yugoslavia/)

Supercon 2023: Alex Lynd Explores MCUs in Infosec
https://hackaday.com/2024/04/24/supercon-2023-alex-lynd-explores-mcus-in-infosec/

The average Hackaday reader hardly needs to be reminded of the incredible potential of the modern microcontroller. While the Arduino was certainly transformative when it hit the scene, those early …read more (https://hackaday.com/2024/04/24/supercon-2023-alex-lynd-explores-mcus-in-infosec/)

DIY Electronics Plus Woodworking Equal Custom Lamp
https://hackaday.com/2024/04/24/diy-electronics-plus-woodworking-equal-custom-lamp/

There is something about wooden crafts that when combined with electronics, have a mesmerizing effect on the visual senses. The Gesture Controlled DNA Wooden Desk Lamp by [Timber Rough] is …read more (https://hackaday.com/2024/04/24/diy-electronics-plus-woodworking-equal-custom-lamp/)

More Mirrors (and a Little Audio) Mean More Laser Power
https://hackaday.com/2024/04/24/more-mirrors-and-a-little-audio-mean-more-laser-power/

Lasers are pretty much magic — it’s all done with mirrors. Not every laser, of course, but in the 1980s, the most common lasers in commercial applications were probably the …read more (https://hackaday.com/2024/04/24/more-mirrors-and-a-little-audio-mean-more-laser-power/)

Downloading Satellite Imagery With a Wi-Fi Antenna
https://hackaday.com/2024/04/24/downloading-satellite-imagery-with-wi-fi-antenna/

Over the past century or so we’ve come up with some clever ways of manipulating photons to do all kinds of interesting things. From lighting to televisions and computer screens …read more (https://hackaday.com/2024/04/24/downloading-satellite-imagery-with-wi-fi-antenna/)