For centuries, artists and printers have been engraving metal and wood, and there is a wealth of literature dedicated to this craft. In contemporary times, advanced laser cutters and various machines ...

I cut wood, engraved metal, and tried my hand at aluminum business cards with varying levels of success.

The science experimenters at TKOR demonstrate how electrical current from a battery can be used to etch intricate designs into metal surfaces. A cardiologist’s no. 1 rule for healthy eating is ...