Light Passing

Some articles on light:

List Of Dutch Inventions And Discoveries - Inventions - 1933 Phase Contrast Microscope
... As light travels through a medium other than vacuum, interaction with this medium causes its amplitude and phase to change in a way which depends on properties of the medium ... Changes in amplitude give rise to familiar absorption of light which gives rise to colors when it is wavelength dependent ... The human eye measures only the energy of light arriving on the retina, so changes in phase are not easily observed, yet often these changes in phase carry ...

Famous quotes containing the words passing and/or light:

    “Knowledge about life is one thing; effective occupation of a place in life, with its dynamic currents passing through your being, is another.”
    —William James (1842–1910)

    “We must work earnestly in the best light He gives us.”
    —Abraham Lincoln (1809–1865)