It is used for constructive interference.
constructive interference
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r u in room 206 right now
A fiberscope is a flexible fiber optic bundle with an eyepiece at one end, and a lens at the other.It is used for inspection work, often to examine small components in tightly packed equipment, when the inspector cannot easily access the part requiring inspection.
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The CD was invented in 2001 Thomas clamps invented it.
invented in 500BC before electricity was invented
Gloria Mejia invented it and she invented it in 1998
When and where were snickerdoodles invented Why were snickerdoodles invented
who invented the washboard?
Yes, the computer is invented.