Goodbye to color Designers of shorter telescopes still faced the problem of chromatic aberrations, though—that is, until Isaac Newton solved it. In 1672, Newton published a seminal paper on ...

New Scientist once described Isaac Newton as “the supreme genius ... One of the byproducts of his experiments with light was the Newtonian telescope, still widely used today.

Isaac Newton changed ... reconsider the design of the telescope, which up until this point was a large, cumbersome instrument. By using mirrors instead of lenses, Newton was able to create a ...