Interferometer
device · 1881 · Electric age
An instrument based on the interference of light (Michelson).
What it is made of
- Mirror — has part. Mirrors.
Principles and materials it uses
- Wave interference — uses. Interference.
- Glass — is made of. The mirrors and beam splitter are glass.
- Stone — is made of. Michelson’s instrument stood on a stone slab.
History: what it evolved from and what it influenced
- Theory of relativity — inspired. The Michelson–Morley experiment found no ether.
What it is a kind of
- LIGO — includes. An interferometer.