ASMR Artistry on MSN

DIY tattoo machine tutorial using a regular battery at home

Learn how to make a DIY tattoo machine from a regular battery with simple steps that let you experiment safely and create ...
PBS

Simple Experiments with Simple Machines

Simple machines make work easier to do. But how? Join Joan at the Discovery Center of Idaho as she tries various experiments with simple machines. Science Trek is available to stream on pbs.org and ...