PVC pipe Projects

Gravity Catapult

Gravity Catapult

I have long been enamored of catapults. Invented around 400 B.C., they were used until nearly A.D. 1300. So for 1,700 years, catapults were arguably the largest, most expensive, and...

Posted by William Gurstelle

Categories: Fun & Games | No Comments


Simple Van de Graaff Generator

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...

Posted by Adam Wolf

Categories: Science | 6 Comments


PVC Floating Accent Light

PVC Floating Accent Light

This lamp adds a romantic glow to any room. Designed to provide good airflow around the bulb, it seems to float magically on a soft ring of light around its...

Posted by Larry Cotton and Phil Bowie

Categories: Home, Furniture | No Comments


Better Nerf Gun

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...

Posted by Simon Jansen

Categories: Fun & Games, Kids & Family | 4 Comments


Jellyfish Tank

Jellyfish Tank

A tank of healthy jellyfish is hypnotically beautiful. Unfortunately, jellies can’t live in a regular aquarium because they get sucked into the filtration pumps or trapped in “dead spots” at...

Posted by Alex Andon

Categories: Science, Workshop | No Comments


The Chinese Windlass

The Chinese Windlass

In the summer of 1860, the Second Opium War was reaching its climax. Three years earlier, Britain and France had invaded Canton, China, in order to expand their trade in...

Posted by William Gurstelle

Categories: Tools | No Comments