How big is a #quadrillionth of a #second Get a packet of
  #picoseconds It says #blackpepper but they're really
  picoseconds. #Light #speed
  [vine id = "MEaLLlJmdAq"]
  How big is a #quadrillionth of a #second Get a packet of
  #picoseconds It says #blackpepper but they're really
  picoseconds. #Light #speed

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