NASA's Hubble captured a rare event 600 million light-years away: a black hole devouring a star in a Tidal Disruption Event ...

A bombshell image of a potential 1,000 ft-wide flying saucer revealed at a U.S. congressional hearing may have already been ...

Research for this type of prediction requires optical components whose surfaces ... the variation of the plate spacing over the entire active image field must be small-scale, not exceeding a ...

Optical illusions have long fascinated people ... puzzling brain teaser that has caught the attention of internet. The image features nine large green turtles arranged neatly in a 3x3 grid.

Hard disk drives (HDDs) use rare earth elements like Neodymium (Nd), Praseodymium (Pr), and Dysprosium (Dy) for their magnetic properties to help HDDs precisely read and write data. Yet, traditional ...

(Facebook/Minion Quotes) (Also read: Optical illusion: If you can count all the dots in this image, you’ll earn title of puzzle king of the day) A Facebook page named Minion Quotes recently ...

Abstract: To further improve the transmission efficiency and link stability for free space optical (FSO)-based satellite communication ... solutions while maintaining comparable received image quality ...

The State Key Laboratory of Precision Manufacturing for Extreme Service Performance, College of Mechanical and Electrical Engineering, Central South University, Changsha 410073, China ...