mvillErine mvillErine
  • 02-03-2017
  • Health
contestada

Which scientist made it possible for digital signals to travel long distances using pulses of light?
a. isaac newton
b. warren washington
c. charles kuen kao
d. christian doppler

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theukegod
theukegod theukegod
  • 02-03-2017
The scientist was Charles Kuen Kao.
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