Max Plank Society have developed tape which acts like a beetle’s feet — sticking to surfaces using van der Waals forces instead of glue.
Unlike ordinary tape, there is no glue left around & any remaining debris can be quickly whisked away with soap & water. Amongst many other applications, you can protect delicate glassware with the tape.
“Geckos, which are heavy compared to a fly, have been using nanotechnology for this purpose for millions of years” — finally, a solution to gecko-envy! (-: