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Scientists Baffled by Galaxy Spin Patterns That Could Prove We’re Inside a Black Hole

For decades, astronomers have looked to the outer reaches of the cosmos for answers to our most fundamental questions: Where ...
IEEE

A piezoelectric micromotor using in-plane shearing of PZT elements

Abstract: A torsional micromotor, 3/spl times/4/spl times/8.5mm, was developed using planar bulk lead zirconium titantate placed upon a small rectangular prism made from phosphor bronze, with a ...