See how quickly rubbish degrades; make a cup go invisible; how stretching a rubber balloon can warm it up; make a coin dance on top of a bottle; what makes your knuckles pop, and print a work of art using mashed up petals.See how quickly rubbish degrades; make a cup go invisible; how stretching a rubber balloon can warm it up; make a coin dance on top of a bottle; what makes your knuckles pop, and print a work of art using mashed up petals.