🧪 Experiment

Michelson-Morley experiment

Experimento de Michelson-Morley: no se detecta el éter

Date
1887 · confidence high
Place
Case School of Applied Science, Cleveland, Ohio, United States
Credited to
Albert A. Michelson; Edward W. Morley
People
👤 Albert Abraham Michelson1852–1931👤 Edward Morley1838–1923
Field
Communication

What was discovered

A highly precise interferometer detects no difference in the speed of light depending on the direction of the Earth's motion: the 'aether wind' does not exist. It is the most famous null result in physics and a precursor to relativity.

Michelson considered the experiment a failure; Einstein stated it had little direct influence on his 1905 work.

What it led to

  • Lorentz-FitzGerald contraction
  • Special relativity
  • Precision interferometry (LIGO)
  • Abandonment of the luminiferous aether
🕸️ View in the graph

Built on

  • Maxwell's electromagnetic wave
  • Bradley's stellar aberration
  • Fizeau's drag experiment

Made possible

📄 Original publication

On the relative motion of the Earth and the luminiferous etherA. A. Michelson, E. W. Morley · American Journal of Science · 1887

Links