1. T

    Old astronomy aberration (1730 ) = new tool for physics

    wiki def what is aberration http://en.wikipedia.org/wiki/Aberration_of_light New tool and rocket ( we know brightness / main size and distance - exist only one reason why we see light in many new position Vo = constant velocity Why I call this system " close close star " Mr Mach...
  2. I

    need help with chromatic aberration

    how do i compute for the focal lengths of different wavelengths(color) of light using thin lens equation?