Google has launched 30 balloons into the stratosphere from New Zealand as it experiments with ways to bring affordable internet access to the world.
Nicknamed Project Loon, the internet giant is sending the superpressure balloons 12 miles up into the air, where they will sail around the globe at twice the altitude of aeroplanes.
The helium-filled balloons inflate to 49ft in diameter and carry transmitters that could beam 3G-speed internet to some of the 4.8billion people in the world that are...
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