CRACK STOPPER Wavy lines etched into glass absorb energy, ... The researchers laser cut a wavy pattern of tiny holes into glass microscope slides and then filled the pattern with polyurethane.

One of [CNLohr]’s bigger claims to fame is his process for making glass PCBs. They’re pretty much identical to regular, fiberglass-based PCBs, but [CNLohr] is building circuits on micro… ...