My engineer/mathematician/computer scientist son François captured multiple light beams which appear to be emitted from a single spot of a Disappointed Face emoji on a disco ball.
My engineer/mathematician/computer scientist son François captured dual light beams which appear to be emitted from the Sun in 2 directions.
My geological engineer/exploration geologist daughter Évelyne captured images of single curved light beam which appears to be emitted from the Sun in 1 direction.
