Scientists Have Solved One of History's Weirdest Leonardo da Vinci Mysteries

Scientists may have solved one of the great Leonardo da Vinci painting mysteries – why the glass orb in the Salvator Mundi painting (dated to around 1500 CE) shows no signs of the refraction and reflection of light that might be expected.

The answer, according to computer models run by a team from the University of California, Irvine, is that in the painting Jesus is holding a hollow rather than a solid orb, which would have appeared the way that da Vinci depicted it.

Details here.