On 1881, Albert A. Michelson achieved a major physical milestone: 103. 1881 – Albert A. Michelson Invents the Optical Interferometer.

Historical Context & Physical Milestone (1881)

Invented amplitude-splitting optical interferometer to test ether drift.

Key Takeaways

  • Year: 1881
  • Key Figure: Albert A. Michelson
  • Core Milestone: 103. 1881 – Albert A. Michelson Invents the Optical Interferometer
  • Scientific Impact: Invented amplitude-splitting optical interferometer to test ether drift.
  • Quantum Relevance: Fundamental milestone in the historical progression of quantum and physical mechanics.