By Chris Gardner Billy Ray is back in business on The Hunger Games. The Oscar-nominated scribe, who put pen to paper on the blockbuster that started it all back in 2012, has been tapped to write ...

If, like many of the reviews team at What Hi-Fi?, you are a big fan of owning your media, chances are you’re one of the cool cats still buying 4K Blu-ray. And why not? As well as meaning you own the ...

The lenses have a coating to further prevent glare, and another to prevent smudging. The acetate frames have a nice heft to them—they're slightly heavier than Ray-Ban Wayfarers, but less chunky ...

Should every student be encouraged to pursue a four-year degree after high school? Teenagers weigh in. By The Learning Network The Trump administration has targeted at least nine foreign pro ...

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.