asked 9.3k views
0 votes
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

asked
User Emiswelt
by
9.3k points

1 Answer

5 votes
The scientist was Charles Kuen Kao.
answered
User Jacob Clark
by
8.2k points
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