Woodworkers have always been very clever about making strong and attractive joints — think of the strength of a mortise and tenon ... But new tools bring new challenges and new opportunities ...

One common joinery method used in wood working is the mortise and tenon. A mortise is basically a hole in a piece of wood and the tenon is another piece of wood cut to tightly fit in that hole.

Researchers at Nanjing Tech University in China have designed a perovskite solar cell that uses a Mortise-Tenon (M-T) structure to create a large-contact area between the perovskite absorber and ...