Samsung gets self-driving car permit in California
The hi-tech firm will use the permit to test control systems for driverless cars.
Justin Bieber becomes the second person to reach 100m Twitter followers
He follows Katy Perry who managed it in June, and now has 103m followers.
TEDGlobal: Africa needs more engineers and makers
How technology can help Africa prepare for a doubling of its population in next 30 years.
Selfie app ‘spots early signs of pancreatic cancer’
The software is designed to act as a low-cost early warning system for pancreatic tumours.
Nasa tests new Dream Chaser spacecraft and other news
BBC Click’s Marc Cieslak looks at some of the best of the week’s technology news stories.
The man who makes prosthetic hands for free
Taiwan’s Chang Hsien-liang makes free limb for those who need them, after losing his own hand.