[Debra]’s kaleidoscope still relies on the typical mirror-tube construction to create reflections upon reflections which generate symmetrical patterns for the viewer.

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Transverse components of the normalized Poynting vectors in the focal plane of the tightly focused kaleidoscope-structured vector optical fields. The direction of the transverse energy flow is ...

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YATES, N.Y. (AP) — Authorities say a New York fertility doctor who was accused of using his own sperm to impregnate several patients has died in a plane crash. The Orleans County sheriff says Dr ...