Wanting to do some experimenting in a vacuum, I sought out a low-cost vacuum pump. I found all kinds, but by far the least expensive, and best-bang-for-the-buck, was an aspirator pump. These can be run on either air or water. The one I chose will use water. I got a Thermo Scientific Nalgene water aspirator […]

Cryogenics is the science that deals with the study of very low temperatures. This is not to be confused with cryonics, or the preservation of humans by freezing them. Need your brake rotor to last 3 times as long? Perhaps you’re a machinist and you’d like to get several hundred more holes out of your […]