Diet Coke and Mentos Fountain Nozzle


The reaction of when a regular mint (or fruit) Mentos is dropped into a bottle of diet Coke can create a fountain of soda. Without a nozzle, you will have a Coke fountain only about 5 feet high. With this, you can have a Coke fountain up to 10 feet!... Read more »

Better Nerf Gun


Like most geek-filled offices, at my workplace we have several Nerf guns and similar toy weapons floating about. Not impressed with the performance of my colleague Lester’s Nerf Maverick, a mainstay of Nerf’s suction-cup-dart-firing “N-Strike” series, I decided to build a better Nerf gun myself. Here’s the result: a simple... Read more »

Coffee Table MAME Console


By John Baichtal and Adam Wolf Do you remember those classic video game arcades filled with rattling quarters, 8-bit songs, and flashing lights? You can reclaim that excitement in your own living room with this Coffee Table MAME Console. In 1997, Italian software developer Nicola Salmoria released the first iteration... Read more »

War and Peace Bookend


Turn war into peace by converting a children’s action figure into a peace-loving bookend. Or if you don’t have a soldier, try using an old space ranger (you know the one I’m thinking of) or any other large toy figure. The technique for turning your action figure into a bookend... Read more »