The Blu-ray format was officially introduced at the 2006 Consumer Electronics Show, although Sony had already developed the first prototypes in 2000. The Las Vegas trade ...

Just buying a 4K Blu-Ray player isn't as simple a prospect as you may think, due to the plethora of options out there. Here are four of the best.

After four centuries of advances, astronomers now capture the Sun’s swirling, dynamic features in stunning detail.

Optical data storage is the use of light to write and read information to and from a memory device. Storage can be achieved by using lasers to pattern a surface, such as on a compact disc, or altering ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...