Einstein, Newton & Frame Dragging with Prof Geraint Lewis (179)
Shirtloads of Science - Ein Podcast von Dr Karl Kruszelnicki - Sonntags

Seventy-five percent can be described by Einstein. The remainder? It drove Albert to question his work till his dying day. Dr Karl and Dr Lewis discuss evidence for the missing theory . http://www.physics.usyd.edu.au/~gfl/