This video will show how to make a vacuum pump, a device that can be used to suck the air out of sealed environments. This is the same pump I use to operate my vacuum cannon seen here: • How to Make a ...

It can be easy to forget that labor-saving devices used for cleaning—like dishwashers, washers, dryers, and vacuums—need to be cleaned and maintained themselves. Vacuum cleaners, for example, once ...