Microscopic images of E. coli before (left) and after disinfection. The bacteria died quickly after sunlight produced chemicals that caused serious damage to the bacterial cell membranes, as shown in the red circles. (Image credit: Tong Wu/Stanford University)
" data-medium-file="https://hackaday.com/wp-content/uploads/2023/05/eradicated_e_coli_stanford_hydrogen_peroxide.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/05/eradicated_e_coli_stanford_hydrogen_peroxide.jpg?w=800">Ensuring that water is safe to use and consume can be a real chore, especially for those who live in impoverished areas without access to safe drinking water. Here is …read more (https://hackaday.com/2023/05/26/generating-hydrogen-peroxide-for-disinfecting-water-using-a-solar-driven-catalyst/)

Restoring Dot Matrix Printer Cartridges For 2023
https://hackaday.com/2023/05/27/restoring-dot-matrix-printer-cartridges-for-2023/

The noise of a dot matrix printer is probably as synonymous with 1980s computing as the modem handshake would become with the desktop experience a decade or more later. But …read more (https://hackaday.com/2023/05/27/restoring-dot-matrix-printer-cartridges-for-2023/)

A Bullet Time Video Booth You Can Build
https://hackaday.com/2023/05/27/a-bullet-time-video-booth-you-can-build/

https://there.oughta.be/a/bullet-time-video-booth
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2023/05/booth-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/05/booth-featured.png?w=800">[Sebastian Staacks] built a video booth for his wedding, and the setup was so popular with family, that it was only fitting to do one better and make some improvements …read more (https://hackaday.com/2023/05/27/a-bullet-time-video-booth-you-can-build/)

Hack Simple
https://hackaday.com/2023/05/27/hack-simple/

Here at Hackaday, we definitely love to celebrate the hard hacks: the insane feats of reverse engineering, the physics-defying flights of fancy, or the abuse of cutting edge technology. But …read more (https://hackaday.com/2023/05/27/hack-simple/)

Beepberry Brings Memory LCD and a Physical Keyboard to Your Pi
https://hackaday.com/2023/05/27/beepberry-brings-memory-lcd-and-a-physical-keyboard-to-your-pi/

As the 2020s are seeing the return of the flip phone, could we see a rebirth of other device form factors from before the slab era? [Eric Migicovsky] and [SQFMI] …read more (https://hackaday.com/2023/05/27/beepberry-brings-memory-lcd-and-a-physical-keyboard-to-your-pi/)

Minecraft in Minecraft on the CHUNGUS II
https://hackaday.com/2023/05/27/minecraft-in-minecraft-on-the-chungus-ii/

Minecraft is a simple video game. Well, it’s a simple video game that also has within it the ability to create all of the logic components that you’d need to …read more (https://hackaday.com/2023/05/27/minecraft-in-minecraft-on-the-chungus-ii/)

Headset’s Poor Range Fixed By Replacing Antenna
https://hackaday.com/2023/05/27/headsets-poor-range-fixed-by-replacing-antenna/

[rafii6312]’s Corsair HS80 wireless headset had a big problem: short range. The sound quality was great, but the wireless range wasn’t winning any friends. Fortunately, the solution was just to …read more (https://hackaday.com/2023/05/27/headsets-poor-range-fixed-by-replacing-antenna/)