Wrap the wire around the penny and wrap the other end of the wire around a pencil or glass stir rod. Pour 5mm of acetone in a 250mL beaker. Grasp the nichrome wire 8" - 10" above the penny and hold ...

The convection of air around the penny may also contribute to this effect. Pour 5mm of acetone in a 250mL beaker. Grasp the nichrome wire 8" - 10" above the penny and hold the penny in the flame of a ...