FORT WAYNE, Ind. (21Alive) -- In this week's episode of Cool Science Monday, Martin Fisher from Science Central will talk about lenses.
Lenses focus/bend/change the direction of light. Martin had two lenses. One was curved inward, called concave. The other was curved out, called convex. They focused light in opposite directions.
When Martin moved the laser up through one lens, the beam of light moved up, but when he moved it up through the other lens, the beam of light moved down.
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