William Gurstelle

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Raid Your Kitchen To Build This Potato Chip Speaker [Video]

By William Gurstelle / Mar 14, 2013

How To Build A Jacob’s Ladder

By William Gurstelle / Mar 11, 2016

Re-Create The First Intercontinental Weapon

By William Gurstelle / May 9, 2016

How to build a medieval crossbow

By William Gurstelle / May 12, 2017

Build a gas-powered marshmallow shooter

By William Gurstelle / Jan 26, 2017

Make these tiny, exploding hydrogen bubbles

By William Gurstelle / Oct 13, 2017

How to build an hourglass watchtower

By William Gurstelle / Aug 4, 2017

How to build a solar microscope

By William Gurstelle / Jul 27, 2018

Make a snowball slingshot and rule your neighborhood with an icy fist

By William Gurstelle / Feb 4, 2021

Throwing knives is growing more popular—here’s how to get started

By William Gurstelle / Oct 8, 2018

How to build a steam-powered cannon invented by Da Vinci

By William Gurstelle / Mar 15, 2017

Build Your Own Mini Medieval Siege Weapon

By William Gurstelle / Sep 15, 2016