Cisterna e GPS (satellite navigation): o que têm em comum
- Passo 1. Cisterna — é feito de — Stone. Cisterns were cut into rock or lined with stone.
- Passo 2. Stone — é material para — Interferometer. Michelson’s instrument stood on a stone slab.
- Passo 3. Interferometer — inspirou — Theory of relativity. The Michelson–Morley experiment found no ether.
- Passo 4. Theory of relativity — é utilizado em — GPS (satellite navigation). Corrections for the relativistic slowing of clocks.