Visitors try out a virtual reality suit at the event and entertainment area at the 2014 Gamescom gaming trade fair in Cologne, Germany. Virtual reality looks set to be the next big-concept leap in computing. Photograph: Sascha Steinbach/Getty Images)

You might not have heard of Perlin Noise, but you’ve certainly seen it. The technique for adding textures to computer images to make them appea(...)

 Society is devoting an ever-growing share of its resources to financial wheeling and dealing, while getting little or nothing in return.

We’re giving huge sums to the financial industry while receiving little or nothing in return. Four years ago Chris Christie, the governor(...)

The New York City Medical Examiners van backs up to the Pickwick House where the body of actor Philip Seymour Hoffman was discovered in his West Village ApartmentPhotograph: Jemal Countess/Getty Images

Hollywood stars have paid tribute to Oscar-winning actor Philip Seymour Hoffman, who was found dead in his apartment with what officials said was a ne(...)

Twitter co-founders Jack Dorsey (L), Biz Stone and Evan Williams (R) speak after the Twitter Inc. IPO on the floor of the New York Stock Exchange in New York.

Shares in social-messaging website Twitter soared 73 per cent in value on their stock market debut in New York yesterday, pushing the market worth of (...)

Silvio Berlusconi and Angela Merkel. Photograph: Johannes Eisele/AFP/Getty Images

When I was four, I was asked to leave my ballet class. I had such confidence in my own dancing powers, based solely on hours of prancing ineptly aroun(...)

Chen Guangcheng, whose position at Columbia University in New York was not renewed  after a year. Photograph: Brendan McDermid/Reuters

Chen Guangcheng, the “barefoot lawyer” who fled house arrest in China before moving to the United States, is to join three organisations, including a (...)

A soldier cleans his shoes on top of a tank as Israeli troops take part in a military exercise yesterday near the border of Syria, in the Israeli-annexed Golan Heights. Irish troops are to be deployed in mid-September to the United Nations Disengagement Observer Force in the area. Photograph: Uriel Sinai/Getty Images

    Irish troops serving with United Nations peacekeeping forces in southern Lebanon and those due to be deployed to the Golan(...)

It may have helped the medicine go down on the big screen in 1964, but today the video Sugar: The Bitter Truth has had a remarkable 3.6 million hits o(...)

The first volume of TS Eliot’s letters, published in 1988, represented the years from 1898 to 1922, the year of Th(...)