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 ...

Look closely at this image, stripped of its caption, and join the moderated conversation about what you and other students see. By The Learning Network Tell us about a time when you did ...

All the URLs are sourced from different parts of the Internet and are found to be working. You can unblock YIFY domains and mirror sites from anywhere in the world. We check the proxy links every week ...

You can find this story in My Bookmarks.Or by navigating to the user icon in the top right.

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