Exports and imports put together (including "invisible" earnings from tourists, workers' remittances and exports of services) account for approximately half of India's GDP whereas the comparable proportion for China is over 80%.

BBC: Can India's economy overtake China?

And awards were given out to a few of the filmmakers, including those behind Invisible Robota.

FORBES: 'There Are Robots All Around You These Days.'

Universal Classic Monsters: The Essential Collection honors the studio's accomplishments with the most iconic monsters in motion-picture history including Dracula, Frankenstein, The Mummy, The Invisible Man, Bride of Frankenstein, The Wolf Man, Phantom of the Opera and Creature from the Black Lagoon.

ENGADGET: Dracula, The Mummy and six other horror classics coming in a Blu-ray set October 2nd (video)

The company has put in special measures to deter criminals - including SmartWater, a system which sprays thieves with an invisible solution.

BBC: Dramatic drop in copper cable theft across the UK

Ms Walker added that much of charity's work was in Belarus itself, including helping change attitudes to disabled children, who were previously "almost invisible", many being placed in state care.

BBC: Chernobyl children visit Warwick Castle

These smartphones have intriguing design features including the "transparent element", a band that encircles the base of the phone and also integrates invisible antenna components.

ENGADGET: Sony officially debuts Xperia U at MWC 2012 Mobile