We now have some 750,000 miles of internet cable on ocean and seafloors. A research team found a way to use those cables to measure seismic activity, without installing anything extra. Plus: “London’s Invisible House” got its name because nearly all of its exterior is covered in mirrors.
A breakthrough in fiber optics turned an undersea cable into 12 seismographs (Interesting Engineering)
Richmond's 'invisible' house is essentially a giant mirror that makes it hard to even notice (MyLondon)
