One Hundred Nanoseconds.
Two 2” diameter acrylic rods were irradiated with a 5 million electron volt e-beam while they were rotated in a motorized fixture. The roots of the discharges were mounted facing each other in a frame with illuminates each end with a 5 watt white LED.
stuff is worth checking out, but this is by far the coolest piece.
But I just think it’s pretty.