Lasers document Frank Lloyd Wright’s iconic Elkins Park synagogue in 3-D

    Frank Lloyd Wright’s iconic Beth Sholom synagogue outside Philadelphia just had a laser treatment.

    This laser won’t do anything for your wrinkles. It’s a valuable tool for buildings to create three-dimensional maps for historic documentation and preservation.

    Three backpack-sized scanners mounted on heavy-duty tripods went to work inside and outside the landmark Elkins Park temple for several days this month.

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    The scanners slowly rotate 360 degrees while shooting out green pulses of light 50,000 times a second. Each light beam transmits a line of corresponding points to a laptop; row by row, the image takes shape.

    The project leaders say the 3-D blueprints could be used to repair or recreate a damaged structure and will eventually be posted online for anyone to take a virtual tour.

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