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/

The MintyPi was a popular project that put a Raspberry Pi inside an Altoids tin to make a pocketable gaming handheld. Unfortunately, it’s not the easiest build to replicate anymore, …read more (https://hackaday.com/2025/03/21/a-cute-handheld-gaming-device-that-you-can-build-in-an-altoids-tin/)

Biosynthesis of Polyester Amides in Engineered Escherichia Coli
https://hackaday.com/2025/03/22/biosynthesis-of-polyester-amides-in-engineered-escherichia-coli/