The sticky stuff helped peel sheets of diamond less than a micrometer thick off silicon wafers, creating membranes useful for electronic devices.

For general masking, use 3M’s ScotchBlue No. 2090. It comes in five widths and there is a version for delicate surfaces.

Scotch No. 2060 is extra sticky and works well ... While they might seem identical at first glance, painter’s tape and ...