🔬 Discovery

Loschmidt's paradox

Paradoja de Loschmidt

Date
1876 · confidence high
Place
Vienna, Austria
Credited to
Johann Josef Loschmidt
Field
Cosmos & Earth

What was discovered

Objection raised by Loschmidt: if the microscopic laws are time-reversible, they should not yield the irreversible macroscopic behaviour described by the second law of thermodynamics.

What it led to

  • Debate over the statistical basis of entropy
  • Development of and replies to Boltzmann's H-theorem
  • Influence on nonequilibrium physics and the arrow of time

Links

Sources✓ verified 2026-09-28