X-Nico

2 unusual facts about John William Strutt, 3rd Baron Rayleigh


Helmholtz reciprocity

Rayleigh stated the basic idea of reciprocity as a consequence of the linearity of propagation of small vibrations, light consisting of sinusoidal vibrations in a linear medium.

Optical coating

These were the first type of antireflection coating known, having been discovered by Lord Rayleigh in 1886.


John William Strutt, 3rd Baron Rayleigh

He held the post until his marriage to Evelyn Balfour, daughter of James Maitland Balfour, in 1871.


see also