More from Hal Hodson
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Technology
Photo app lets you swipe to view a scene from any angle
News
Earth
Citizen cartographers fill the gaps in maps
News
Technology
Wi-Fi-hopping brings phone signal to remote villages
News
Technology
Multi-shot video can identify civil rights abusers
News
Technology
Google’s Project Loon to float the internet on balloons
News
Technology
Virtual reality display lets fire crews see in a blaze
News
Technology
How to stop the NSA spying on your data
News
Technology
Spy program shows just how well US knows its people
News
Technology
Google Maps change to suit what you like best
News
Technology
Graffiti codes let you surf with a wave of your phone
News
Technology
Smart map tracks people through camera networks
News
Health
Rise of the autistic workforce
News