Metric and Inch Threads Fight it Out for Ultra-Precise Positioning

When you’re a machinist, your stock in trade is precision, with measurements in the thousandths of your preferred unit being common. But when you’re a diemaker, your precision game needs …read more Continue reading Metric and Inch Threads Fight it Out for Ultra-Precise Positioning

Stewart Platform Wields Magic Fingers to Massage Your Scalp

Attention Hackaday editors: We on the writing crew hereby formally request budget allocation for installing a Stewart platform head massager on the chair of each workstation in the secret underground …read more Continue reading Stewart Platform Wields Magic Fingers to Massage Your Scalp

The Jolly Cart-Pushing Robot

[Lance] loves making simple robots with his laser cutter. He finds great satisfaction from watching his robots operate using fairly simple mechanisms and designs a whole slew of them inspired by different animals, including a dinosaur and a dragon. His latest build is a jolly cart-pushing robot.

He cut each …read more

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Dual-Wielding Robot Carves 3D Shapes From Foam With Warped Wire

“Every block of expanded polystyrene foam has a statue inside it and it is the task of the dual-arm hot wire-wielding robot to discover it.” — [Michelangelo], probably.

Be prepared to have your mind blown by this dual-wielding hot-wire 3D foam cutter (PDF). We’ve all seen simple hot-wire cutters before, …read more

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Unique Clock Finally Unites Hackers and Sequins

We’ve all seen the two-color sequin fabrics you can “draw” on by dragging your finger over so the pieces flip to the other color. It’s fun stuff to play with, and very popular with the kids right now, but if you asked us if the material had any practical application …read more

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Make Physics Fun with a Trebuchet

What goes up must come down. And what goes way, way up can come down way, way too fast to survive the sudden stop. That’s why [Tom Stanton] built an altitude recording projectile into an oversized golf ball with parachute-controlled descent. Oh, and there’s a trebuchet too.

That’s a lot …read more

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