Pulses of light are the absolute fastest way to transfer data (because nothing's faster than light), but old school fiber optic cables can only go so many places. Scientists have a new idea: use high-powered lasers to make a column of low-density air that can carry a light signal just as well as a normal cable. Yes, fiber optics made of thin air.
from Gizmodo http://ift.tt/1tvtFPd
via Gizmodo
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