Photographic flash
part · 1931 · Electric age
A pulsed gas-discharge lamp (Edgerton).
What it is made of
- Capacitor — has part. Energy is stored in a capacitor.
Principles and materials it uses
- Electric arc — uses. A discharge in a xenon lamp.
- Glass — is made of. The bulb is glass.
- Aluminium — is made of. Disposable flashbulbs contained aluminium foil.
Where it is used
- Camera — is part of. A flash.
- Digital camera — is part of. The flash lights the shot when it is dark.