The oldest award for formation skydiving achievement, for those who have been in a star of at least eight people in which each person left the aircraft separately and flew to the formation Found on http://www.encyclo.co.uk/local/20082
Silicon Controlled Rectifier. Also called a thyristor. A semiconductor rectifier whose forward anode-cathode current is controlled by a signal applied to a third electrode. The SCR will latch into a forward bias. Widely used in power supplies throughout the laboratory.
Found on http://www-bdnew.fnal.gov/operations/accgloss/gloss.html