Stanley Electric has patented a light deflection device with piezoelectric actuators for mirror movement. The device detects swing angle and voltage fluctuations to ensure proper mirror function. This ...

The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

"From the Smithsonian report for 1919". "Reprinted by permission from Philosophical transactions of the Royal Society of London, series A, vol. 220, pp. 291-333 ...