Silver balloon

google balloon silver

Alphabet's X, formerly known as Google X, has been working for years to develop balloons that can circumnavigate the globe, delivering Wi-Fi.

X faced numerous hurdles in developing the balloons, trying to figure out a way to manage high winds while keeping the balloon floating at a steady altitude.

One of the first designs was a silver sphere.

First published February 16, 2016: 9:24 AM ET

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