Related:

• Bubble Memory, n.: A derogatory term, usually referring to a person's intelligence.
  See also "vacuum tube"....
• A vacuum-tube brain in a microchip world.
• PBM: Pop Bubble Memory
• Often enough, television is just one vacuum tube watching another.
• ysape /sys'ayp/ n. A rather derogatory term for a computer operato
  a play on sysop common at sites that use the banana hierarchy of problem complexity (see one-banana problem)....
• ysape: /sys'ayp/ n. A rather derogatory term for a computer operato
  a play on {sysop} common at sites that use the banana hierarchy of problem complexity (see {one-banana problem})....
• 0207 Do you have core memory? 0208 ... drum storage?
  0209 ... bubble memory? -- from THE HACKER TEST...