Measuring the speed of cosmic rays
http://sciencetechworld.com/astrono...eling-99-99999999999999999999951-speed-light/
Discovered back in 1991 in Utah, this very high energy particle is likely to have originated from around the Supermassive Black Hole in the galaxy Centaurus A before it made its journey to the Earth. Now we mentioned that it was traveling near the speed of light…
http://sciencetechworld.com/astrono...eling-99-99999999999999999999951-speed-light/