Featured Experiments at Steve Spangler Science http://www.stevespanglerscience.com/ en-us Copyright 2012 Steve Spangler Science info@stevespanglerscience.com 720 15d185eaa7c954e77f5343d941e25fbd Secret Message - Heat Friction Ink Make a message appear or vanish using a special friction activated ink http://www.stevespanglerscience.com/experiment/secret-message-heat-friction-ink Secret Message - Heat Friction Ink 642e92efb79421734881b53e1e1b18b6 Anti-Gravity Water Amaze your friends by making water defy gravity. http://www.stevespanglerscience.com/experiment/anti-gravity-water Anti-Gravity Water