Block 0 of A238 E.A.T. project description (Q23648)

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Block 0 of A238 E.A.T. project description
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Block 0 of A238 E.A.T. project description
Block 0 of A238 E.A.T. project description

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    LIGHT SCULPTURES {Light Sculptures} IN THESE SCULPTURES, THE REQUIRED SHARP, BRIGHT LIGHT BEAMS WERE OBTAINED BY USING HELIUM-NEON GAS LASERS {Helium-neon Gas Lasers}. THE BRIGHT RED LASER BEAM IS DIRECTED VERTICALLY UPWARDS NEAR THE ROOM CENTER WHERE IT STRIKES A RAPIDLY ROTATING MIRROR TILTED AT 45 DEGREES. THIS CAUSES THE LASER BEAM TO SWEEP HORIZONTALLY ABOUT THE ROOM, THEREBY DRAWING W...
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