Reverse Arrow Experiment ➡️⬅️ Here’s a super cool experiment that demonstrates light refraction. Simply hold a drawing of an arrow about 4-5 inches behind a round glass of water. Watch as the arrow reverses direction when it’s behind the water. It seems like magic, but this is actually due to light refraction or the bending of light. The glass acts as a magnifying glass and magnifies the arrow a bit with the curve of the glass. But once the arrow is held behind the focal point, it reverses itsel

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