Green Lantern Lantern and Ring

One of my friends is a fan of the Green Lantern, and he thought it would be cool to have a glowing ring that charges when put inside a lamp. I realized that I already had something similar in my Upgraded Indestructible LED Lantern project, so I decided to build... Read more »

Extract and Use Squid Ink

Squid are wonderful creatures. They’re available in sizes small to giant, taste great, and are a fabulous source of natural ink. Squid use the ink to confuse predators, but you can use it for cooking or printing. Learn how to harvest your own fresh squid ink, so when you’re stranded... Read more »

Evil Mouse Prank

Joe Bowers is sneaky, resourceful, and rotten to the core. Whatever you do, don’t get in a prank war with him. Returning to my desk from a coffee break, I sat down, grabbed my mouse, and … nothing. The cursor was stuck to the left wall of my monitor. I... Read more »

Simple Van de Graaff Generator

When I was younger, I spent hours perusing Bill Beaty’s electrostatics web pages. At the time, I didn’t achieve any real successes trying to build his high-voltage contraptions, and so my interest waned. Years later, I saw someone online use a soda can as a collector for their Van de... Read more »