8B10.30 Sunspot Simulation

Place clear lightbulb on overhead projector. Connect to variac. Adjust variac until glows (~25 on variac scale). The filament image will be projected by projector. Turn on projector. The filament will now look dark compared to bright background.

Picture: Not Yet Available

Setup Requirements: Need variac, clear lightbulb and overhead projector.

Equations: None

Safety Issues: AC Voltage, Hot lightbulb