Latest
The CDC recommends booster shots for healthcare workers and other at-risk groups
Sep 24, 2021 5:04 PM
Featured by William Gurstelle
Feb 4, 2021
Make a snowball slingshot and rule your neighborhood with an icy fist
Winter warfare will never be the same.
Oct 8, 2018
Throwing knives is growing more popular—here’s how to get started
Toss around some steel.
Jul 27, 2018
How to build a solar microscope
Project tiny specimens onto the walls of your own home.
Mar 15, 2017
How to build a steam-powered cannon invented by Da Vinci
A less deadly version of the Architronito
Sep 15, 2016
Build Your Own Mini Medieval Siege Weapon
A tiny version of one of history's most powerful trebuchets
Aug 30, 2016
Decorate Your Desk With This DIY Personal Sky Puppet
A wacky waving tube guy of your very own
