Gene Editing Spiders to Produce Red Fluorescent Silk
https://hackaday.com/2025/05/21/gene-editing-spiders-to-produce-red-fluorescent-silk/

Continuing the scientific theme of adding fluorescent proteins to everything that moves, this time spiders found themselves at the pointy end of the CRISPR-Cas9 injection needle. In a study by …read more (https://hackaday.com/2025/05/21/gene-editing-spiders-to-produce-red-fluorescent-silk/)

Honey, I Blew Up The Line Follower Robot
https://hackaday.com/2025/05/21/honey-i-blew-up-the-line-follower-robot/

Some readers may recall building a line-following robot during their school days. Involving some IR LEDs, perhaps a bit of LEGO, and plenty of trial-and-error, it was fun on a …read more (https://hackaday.com/2025/05/21/honey-i-blew-up-the-line-follower-robot/)

High Voltage for Extreme Ozone
https://hackaday.com/2025/05/21/high-voltage-for-extreme-ozone/

Don’t you hate it when making your DIY X-ray machine you make an uncomfortable amount of ozone gas? No? Well [Hyperspace Pirate] did, which made him come up with an …read more (https://hackaday.com/2025/05/21/high-voltage-for-extreme-ozone/)

Jettison Sails for Electric Propulsion
https://hackaday.com/2025/05/21/jettison-sails-for-electric-propulsion/

Although there are some ferries and commercial boats that use a multi-hull design, the most recognizable catamarans by far are those used for sailing. They have a number of advantages …read more (https://hackaday.com/2025/05/21/jettison-sails-for-electric-propulsion/)

Roller Gearbox Allows For New Angles in Robotics
https://hackaday.com/2025/05/22/roller-gearbox-allows-for-new-angles-in-robotics/

DIY mechatronics always has some unique challenges when relying on simple tools. 3D printing enables some great abilities but high precision gearboxes are still a difficult problem for many. Answering …read more (https://hackaday.com/2025/05/22/roller-gearbox-allows-for-new-angles-in-robotics/)

Trashed Sound System Lives to Rock another Day
https://hackaday.com/2025/05/22/trashed-sound-system-lives-to-rock-another-day/

Plenty of consumer goods, from passenger vehicles to toys to electronics, get tossed out prematurely for all kinds of reasons. Repairable damage, market trends, planned obsolescence, and bad design can …read more (https://hackaday.com/2025/05/22/trashed-sound-system-lives-to-rock-another-day/)

A Brief History of Fuel Cells
https://hackaday.com/2025/05/22/a-brief-history-of-fuel-cells/