In the annals of ambitious engineering projects, few have captured the imagination and courted controversy quite like Gerald Bull’s Supergun. Bull, a Canadian artillery expert, envisioned a gun that could …read more (https://hackaday.com/2024/05/28/the-tragic-story-of-the-ill-fated-supergun/)

Rotary Phone Lives on as Arduino Kitchen Timer
https://hackaday.com/2024/05/28/rotary-phone-lives-on-as-arduino-kitchen-timer/

It’s safe to say that few people still use rotary phones on a daily basis. Hell, most of us don’t even use landline telephones anymore. But just because these classic …read more (https://hackaday.com/2024/05/28/rotary-phone-lives-on-as-arduino-kitchen-timer/)

Keebin’ with Kristina: The One with the Auto Harp Typewriter
https://hackaday.com/2024/05/28/keebin-with-kristina-the-one-with-the-auto-harp-typewriter/

Where do I even begin with this one? Let’s start with the reasoning behind this giant beast’s existence, and that is medical necessity. [crazymittens-r] needed something that would let them …read more (https://hackaday.com/2024/05/28/keebin-with-kristina-the-one-with-the-auto-harp-typewriter/)

Spark Plug Becomes Glass Cutter
https://hackaday.com/2024/05/28/spark-plug-becomes-glass-cutter/

Sometimes a hack doesn’t need to be rocket science to be useful. Take for instance [MofigoDIY] using an old spark plug to build a glass cutter. Sure, going to grab …read more (https://hackaday.com/2024/05/28/spark-plug-becomes-glass-cutter/)

Play Giant Tetris On Second-Floor Window
https://hackaday.com/2024/05/28/play-giant-tetris-on-second-floor-window/

Sometimes it seems like ideas for projects spring out of nothingness from a serendipitous set of circumstances. [Maarten] found himself in just such a situation, with a combination of his …read more (https://hackaday.com/2024/05/28/play-giant-tetris-on-second-floor-window/)

Digital Meter From 1973, A Teardown
https://hackaday.com/2024/05/28/digital-meter-from-1973-a-teardown/

[Thomas] found an interesting probable millivoltmeter with some Beckman displays. Like many instruments from that time period, this one had a lot of tobacco smoke residue inside. The display unit …read more (https://hackaday.com/2024/05/28/digital-meter-from-1973-a-teardown/)

Whole-Fruit Chocolate: Skipping the Sugar By Using the Entire Cacao Pod
https://hackaday.com/2024/05/28/whole-fruit-chocolate-skipping-the-sugar-by-using-the-entire-cacao-pod/

It’s hard to imagine a world without chocolate, and yet it is undeniable that there are problems associated both with its manufacturing and its consumption. Much of this is due …read more (https://hackaday.com/2024/05/28/whole-fruit-chocolate-skipping-the-sugar-by-using-the-entire-cacao-pod/)

The 6809 Lives On in an FPGA
https://hackaday.com/2024/05/28/the-6809-lives-on-in-an-fpga/