Sticking Together

It took mighty good material to make ventriloquist Edgar Bergen a star on radio since nobody could see his lips not move. So imagine the challenge of demonstrating the chemistry of how two things stick together over the airwaves. Luckily, my dad was on the case.

From National Public Radio: "What Makes Sticky Things Stick?" Try this activity at home, kids!

(Today's illustration, courtesy of Physorg.com, relates to the other, non-chemical part of the new adhesive--the part that's based on the tiny setae on geckos' feet.)