October 29 - First use of videotape in network television programming; CBS uses its Ampex VTR to record the evening news, anchored by Douglas Edwards[?]. The tape is then fed to West Coast stations three hours later
November - The first use of videotape on a network television entertainment program; Jonathan Winters, uses videotape and superimposing techniques to be able to play two characters in the same skit for his NBC television show
... by it.)
The symbol
<math>\pm \sqrt {b^2-4ac}</math>
in the formula should be understood as "either of those element(s) of the field whose square equals ...