On 1887, Heinrich Hertz achieved a major physical milestone: 1887: Heinrich Hertz Discovers the Photoelectric Effect.

Historical Context & Physical Milestone (1887)

Discovered that ultraviolet light ejects electric charges from metal spark electrodes.

Key Takeaways

  • Year: 1887
  • Key Figure: Heinrich Hertz
  • Core Milestone: 1887: Heinrich Hertz Discovers the Photoelectric Effect
  • Scientific Impact: Discovered that ultraviolet light ejects electric charges from metal spark electrodes.
  • Quantum Relevance: Fundamental milestone in the historical progression of quantum and physical mechanics.