Diy

the robot holding up a lamp on a pole over a strawberry bed at night under a crescent moon and stars, lighting up two grumpy mildew blobs on the leaves, while the boy in the cap holds a stopwatch

🌙 Killing Mildew in the Dark

A farm robot is replacing pesticides with UV light at night. The clever part isn’t the robot — it’s the darkness. Here’s the home version, and the honest scope of what it can and can’t do.