Cork Popper (4B60.70)
/Cork_Popper_(4B60.70).jpg)
/Cork_Popper_(4B60.70)_2.jpg)
A motorized rotating hollow shaft holds a thimblefull of water and is sealed with a stopper. Wood brakes are squeezed together on either side of the rotating shaft, and the heat generated by friction boils the water and pops the cork.