You Can Put Toothpaste In The Tube (With Effort)

Old wives’ tales, folk knowledge, common sayings, and even cliches and idioms are often taken as givens since they form an often unnoticed part of our vocabulary and culture. There’s so…

Tiny Gasoline Engine Fitted With A Custom Billet Waterpump

We don’t typically use gasoline engines smaller than 50 cc or so on a regular basis. Below that size, electric motors are typically less messy and more capable of doing the job. That doesn&#8…

3D Printing A Centrifugal Water Pump

Once upon a time, 3D printing was about churning out tiny Yodas and Pikachus, but these days, useful things are regularly 3D printed too. A great example is this centrifugal water pump that can rea…

Air-Assist Analysis Reveals Most Effective — And Quietest — Methods

If there’s one thing that continues to impress us about the Hackaday community as the years roll by, it’s the willingness to share what we’ve learned with each other. Not every di…