TED Talks What if
every light bulb
in the world could
also transmit
data? At
TEDGlobal, Harald
Haas demonstrates,
for the first
time, a device
that co
(more)
TED Talks What if every light bulb in the world could also transmit data? At TEDGlobal, Harald Haas demonstrates, for the first time, a device that could do exactly that. By flickering the light from a single LED, a change too quick for the human eye to detect, he can transmit far more data than a cellular tower -- and do it in a way that
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