Most people are familiar with an "image search," in which you type a word or phrase into a search engine and see countless related images appear. But what if you need to search for an image rather ...

Search engines try to make sense of your query. For example, in the past a search for ‘Doctor Who’ might have returned results like ‘Doctor Seemore, who is an eye specialist’. Today, the ...

But if you can understand how they process things, a computer can be the most useful housemate you’ll ever have. In life, we often have to search for things, like someone's phone number or the ...