William Gurstelle

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Raid Your Kitchen To Build This Potato Chip Speaker [Video]
How To Build A Jacob’s Ladder

How To Build A Jacob’s Ladder

Re-Create The First Intercontinental Weapon

Re-Create The First Intercontinental Weapon

How to build a medieval crossbow

How to build a medieval crossbow

Build a gas-powered marshmallow shooter

Build a gas-powered marshmallow shooter

Make these tiny, exploding hydrogen bubbles

Make these tiny, exploding hydrogen bubbles

How to build an hourglass watchtower

How to build an hourglass watchtower

How to build a solar microscope

How to build a solar microscope