PURPOSE: To demonstrate how a partially silvered surface functions.
DESCRIPTION: A small clear light bulb is placed in a plastic cylinder which is covered with a half-silvered aluminized mylar sheet. When the light is off, the outside is brighter and the light bulb cannot be seen. When the light is on, the glowing filament can easily be seen through the aluminized mylar.
REFERENCES: (PIRA unknown.)
EQUIPMENT: Clear light bulb, clear plastic cylinder covered with aluminized mylar sheet.
SETUP TIME: None.
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