experiments

Can You 3D Print a DC Motor?

Can You 3D Print a DC Motor?

The answer to this question? Kinda. It definitely shows real promise, even for the home 3D printer.

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Experimenting with Turning an Ultrasonic Cleaner into an Ultrasonic Knife

Experimenting with Turning an Ultrasonic Cleaner into an Ultrasonic Knife

Follow along as a curious maker tries to turn an ultrasonic cleaner into an ultrasonic cutting knife.

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E-Paper Hacking with Ben Krasnow

E-Paper Hacking with Ben Krasnow

Exploring the latest generation of e-paper, how it works, and how you can program and hack the display.

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Experimenting with Piping Cement to Make Decorative Objects

Experimenting with Piping Cement to Make Decorative Objects

Peter and Patricia Brown play around with the piping bag technique to try and make some usable objects.

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Why hot sauce cleans pennies

Why hot sauce cleans pennies

I was thoroughly entertained by this bit of hobby chemical sleuthing from Michael August Pusateri, who observed years ago, while bored on-shift, that the hot sauce at the fast food joint where he was working would clean the oxide off a penny. My immediate assumption–that the effect is due to vinegar or some other acid in the sauce–turns out to be only half right. The right answer, and the process by which Michael arrived at and verified it, make for interesting reading. You might even find a use for it.

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