Video about making blacker-than-Vantablack pigment in a home lab

I always like seeing what Ben Krasnow is up to in his garage, whether it's making astronaut ice cream or a refrigerator that works by stretching rubber bands. (Ben was a guest on my Cool Tools podcast a few years back). In the latest episode of his excellent Applied Science YouTube channel, Ben describes the process of making pigment that absorbs even more light than Vantablack, which absorbs 99.965% of visible light.

Image: YouTube Read the rest

How to build your own air conditioner

If you've got a spare bedroom and never plan on having company over, then you've got the space to build and run your own desiccant-based air conditioning system. Read the rest

Demonstration of a piezoelectric motor

Ben Krasnow of Applied Science demonstrates the tiny fingers of a piezoelectric motor. (Here's my interview with Ben from last year.) Read the rest