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How telecommunications cables can image the ground beneath us
After renting an interrogator, a device that sends laser pulses to sense ambient vibrations along the fiber optic cables, Chang and a group of volunteers were given special access to connect it to ...
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Power company announces next-gen technology to protect grid from growing threats: '[It's like] tens of thousands of microphones'
It starts when an "optical interrogator" is connected to a fiber-optic line, shown in a Prisma digital rendering hanging above the power cables. "The Interrogator transmits optical pulses that ...
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Fibre optic research field site (IMAGE)
Left is the glacier and right is their field camp, where the fibre optic interrogator was housed in a tent. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases ...