THE idea of detecting the Einstein deflection by measures of two neighbouring stars has occurred to many people, and Prof. C. V. Raman writes to suggest that the apparent distance of the two ...

Guy Bartal, from the light refraction lab at Berkeley, talks with Scott Simon about the research they're doing on "invisible cloaks." Bartal overseas research in this lab, and is a co-author of two ...

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 ...

Scientists have unveiled a groundbreaking discovery: a material capable of bending light in unprecedented ways. This advancement opens up possibilities for innovations in optics, including superlenses ...