The snowball machine gun
Media playback is unsupported on your device
Video

Engineer builds 'snowball machine gun' and other news

BBC Click's Nick Kwek looks at some of the best of the week's technology news including the sale of predictive keyboard company Swiftkey for over £170m and a "snowball machine gun" designed by a former Nasa engineer.

More at BBC.com/Click and @BBCClick.

  • 05 Feb 2016
Go to next video: A millennium spent in the cloud