What happens when you heat a plastic cup?

Visit my blog here: http://stevemould.com Follow me on twitter here: http://twitter.com/moulds Buy nerdy maths things here: http://mathsgear.co.uk I use a heat gun for this. Music: Sneaky Snitch - Kevin MacLeod (incompetech.com) Quirky 1 - Tom Cusack (freemusicforvideos.com)