Benchtop Haber-Bosch Makes Ammonia at Home
https://hackaday.com/2025/03/21/benchtop-haber-bosch-makes-ammonia-at-home/

Humans weren’t the first organisms on this planet to figure out how to turn the abundance of nitrogen in the atmosphere into a chemically useful form; that honor goes to …read more (https://hackaday.com/2025/03/21/benchtop-haber-bosch-makes-ammonia-at-home/)

Hackaday Podcast Episode 313: Capacitor Plague, Wireless Power, and Tiny Everything
https://hackaday.com/2025/03/21/hackaday-podcast-episode-313-capacitor-plague-wireless-power-and-tiny-everything/

We’re firmly in Europe this week on the Hackaday podcast, as Elliot Williams and Jenny List are freshly returned from Berlin and Hackaday Europe. A few days of mingling with …read more (https://hackaday.com/2025/03/21/hackaday-podcast-episode-313-capacitor-plague-wireless-power-and-tiny-everything/)

High Frequency Food: Better Cutting With Ultrasonics
https://hackaday.com/2025/03/21/high-frequency-food-better-cutting-with-ultrasonics/

You’re cutting yourself a single slice of cake. You grab a butter knife out of the drawer, hack off a moist wedge, and munch away to your mouth’s delight. The …read more (https://hackaday.com/2025/03/21/high-frequency-food-better-cutting-with-ultrasonics/)

Building a Handheld Pong Game
https://hackaday.com/2025/03/21/building-a-handheld-pong-game/

Pong was one of the first video games to really enter the public consciousness. While it hasn’t had the staying power of franchises like Zelda or Call of Duty, it nonetheless still resonates …read more (https://hackaday.com/2025/03/21/building-a-handheld-pong-game/)

Turning a Kombucha Bottle Into a Plasma Tube
https://hackaday.com/2025/03/21/turning-a-kombucha-bottle-into-a-plasma-tube/

Kombucha! It’s a delicious fermented beverage that is kind to your digestive system and often sold in glass bottles. You don’t just have to use those bottles for healthy drinks, …read more (https://hackaday.com/2025/03/21/turning-a-kombucha-bottle-into-a-plasma-tube/)

Moving Software Down to Hardware
https://hackaday.com/2025/03/21/moving-software-down-to-hardware/

In theory, any piece of software could be built out of discrete pieces of hardware, provided there are enough transistors, passive components, and time available. In general, though, we’re much …read more (https://hackaday.com/2025/03/21/moving-software-down-to-hardware/)

Producing Syngas From CO2 and Sunlight With Direct Air Capture
https://hackaday.com/2025/03/21/producing-syngas-from-co2-and-sunlight-with-direct-air-capture/

There is more carbon dioxide (CO2) in the atmosphere these days than ever before in human history, and while it would be marvelous to use these carbon atoms for something …read more (https://hackaday.com/2025/03/21/producing-syngas-from-co2-and-sunlight-with-direct-air-capture/)

A Cute Handheld Gaming Device That You Can Build In An Altoids Tin
https://hackaday.com/2025/03/21/a-cute-handheld-gaming-device-that-you-can-build-in-an-altoids-tin/