Technology never sleeps, always creeping along to greater and greater excellence...
A new chip by Columbia University researchers uses a circulator made of silicon transistors to reroute signals and avoid interference from a transmitter and receiver that share the same antenna.
This technology instantly doubles data capacity and could eventually be
built into smartphones and tablets.
The chip enables them to work around the principle of Lorentz Reciprocity,
in which electromagnetic waves are thought to always travel along the
same path both forward and backward.
Traditionally, electronic devices
required two antennas -- a transmitter and receiver -- that took turns
or operated on different frequencies in order to exchange signals.
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