This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Muller antimatter. Richard Muller explaining antimatter Richard Muller explicando en qu consiste la antimateria selfphotographed original text shot this picture with my camera while explaining antimatter Shot with Kodak Easyshare CX mcandrews en mcandrews Original upload log en Matt Heard de php CommonsHelper en Muller mcandrews