| Stokes, Sir George Gabriel 1819-1903.
Irish mathematician and physicist who investigated the wave theory of light and described the phenomena of diffraction (1849) and fluorescence (1852) and the nature of x-rays. He also investigated fluid dynamics, developing the modern theory of motion of viscous fluids. A unit of kinematic viscosity is named for him. |
| a fool or simpleton; ninny. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
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