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Run A Lawnmower on Diesel With Hot Bulb Hack

If you’re into automotive hacks and don’t watch [Robot Cantina], you are missing...

Repairing Vintage Sony Luggable Calculators

You might wonder why you’d repair a calculator when you can pick up a new one fo...

Building an Assembly Line for Origami Pigeons

When it comes to hacks, the best ones go to extremes. Either beautiful in their ...

Saving Green Books from Poison Paranoia

You probably do not need us to tell you that Arsenic is not healthy stuff. This ...

Bringing a Father Ted Joke to Life

Inspired by a gag from a mid-90s sitcom Father Ted, [Stephen] decided to create ...

Simple Triggering for Saleae Logic Analyzers

Saleae logic analyzers seem to have it all: good sampling rates, convenient prot...

Piano Doorbell Adds Music To Your Home

Regular ding-dong doorbells are fun and all, but it can be nice to put something...

A Close Look at the Mitxela Precision Clock Mk IV

Over on his secondary YouTube channel, [Jeff Geerling] recently demoed the new M...

Wave Drive Made With 3D Printed Parts

You can get just about any gear reduction you want using conventional gears. But...

The Bellmac-32 CPU — What?

If you have never heard of the Bellmac-32, you aren’t alone. But it is a good be...

Freeze-drying for improved metal printing

For all the remarkable improvements we’ve seen in desktop 3D printers, metal pri...

A Flip Clock Becomes a Flip Timer

Sometimes it’s nice to have a widget to do a single task and avoid getting distr...

Printed Focus Control for Pro Style Cinematography

When you watch a movie and see those perfect focus switches or zooms, the chance...

3D Pen Used To Build Cleaning Robot That Picks Up Socks

Your average 3D printer is just a nozzle shooting out hot  plastic while being m...

A Steady Vacuum For The Fastest Cassette Tape Drive Ever

If you think of a 1960s mainframe computer, it’s likely that your mental image i...

Building an Analog Echo Plate

These days, when you think reverb, you probably think about a guitar pedal or a ...

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