The PBS special on TIME TRAVEL had dozens of experts in the field (Hawking and the usual gang of suspects). There was a German team that claimed their laser beam allowed a small portion of its energy to quantum tunnel through an 18 inch barrier and arrive at the target sensor faster than the laser beam through a near vacuum. Other scientists said maybe so but yu can not transmit "information faster than light. The Germans then modulated the laser beam to the strains of Motzart originating from a walkman. IT STILL WORKED. The Germans said Mozart sounds like information to us. The sound was degraded but was completely identifiable.