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Facts about our topic

Did you know?

  • Sound travels much slower than light, whether in air or water.
  • Light travels at 186,000 miles per second.
  • Sound travels at 770 miles per hour.
  • You often hear things after you see them; for example, you see the lightning before you hear the thunder.
  • Electric current is measured in amperes (amps).
  • The word robot has been derived from a Czech word 'robota' that means 'drudgery'.
  • The field in which we study robots is known as Robotics.
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