When people think about fiber optic cables, it’s usually about how they’re used for telecommunications and accessing the internet. But fiber optic cables—strands of glass or plastic that allow for the transmission of light—can be used for another purpose: imaging the ground beneath our feet. When people think about fiber optic cables, it’s usually about how they’re used for telecommunications and accessing the internet. But fiber optic cables—strands of glass or plastic that allow for the transmission of light—can be used for another purpose: imaging the ground beneath our feet. Earth Sciences Phys.org – latest science and technology news stories