A CONSEQUENCE of the theory put forward /JL in 1941 by the Soviet physicist, Landau, to explain the peculiar flow-properties of liquid helium1 was the co-existence of two speeds of sound in this ...

The first three batted balls against Jack Leiter on Sunday afternoon had exit velocities over 100 mph, including a fly out, a ...

Exit velocities produced on opening weekend in 2025 were the latest evidence. “It’s unreal,” one Power 4 head coach told Baseball America. “It’s out of control,” said another.

The experimental method gives insight into the THz electric field, thus revealing both phase and group velocities of the propagating THz pulses. Both phase and group velocities are strongly ...