Did You Know...?

Winter 2001 CSANews Issue 41  |  Posted date : Apr 03, 2007.Back to list

  • In the 1940s, the FCC assigned television's Channel 1 to mobile services (two-way radios in taxicabs, for instance), but did not renumber the other channel assignments. That is why your TV set has channels 2 and up, but no channel 1.
  • The San Francisco cable cars are the only mobile national monuments.
  • A duck's quack doesn't echo, and no one knows why.
  • Emus and kangaroos cannot walk backwards, and are on the Australian coat of arms for that reason.
  • Cats have more than 100 vocal sounds, while dogs only have about 10.