Glowing Eyes and Personal Halos: Seeing the Light

Robert Greenler — The “red-eye effect,” halos from antiquity to modern times, the courting ritual of the woodcock, aerial views of Stonehenge — “a whole bunch of things, many of which can be explained by a similar effect” — work …

Early Optics and the Painters’ Art

Science and art, fascination and controversy, all meet in this exploration by physicist Robert Greenler of optical devices and techniques possibly used in the painting of many of the masterpieces of Western Art. Did artists, beginning in the early 1400s, …

NASA Shuttle Launch: Dark-Moon-Ray Mystery

Sky effects and the solution of a mystery intertwine in this fascinating look at a photograph of the successful launch of space shuttle Atlantis on February 7, 2001. “What’s going on here?” the Boston Globe science writer asked physicist Robert …