On April 28, 1947 Stanford Linear Electron Accelerator Project Report No. 7 announced the realization of a dream 15 years in the making: the linear acceleration of electrons.
Long after the hard shaking stops, an earthquake's seismic waves reverberate around the world, imperceptibly rocking the ground. As one seismologist puts it, a great earthquake causes every grain of sand on Earth to dance.
Some of Fermilab's mechanical technicians spend a lot of time underground. In the echoing tunnels of the Tevatron collider they fix things, crawling behind equipment to replace aging nuts and bolts and repair everything from vacuum pumps to multi-ton superconducting magnets.
