Repair the cable core in just a few steps If cables from low-current devices (up to 50 volts) break, you can also try to repair them at home. Proceed as follows: ...

As you've just read, the strange cylinder on your laptop charging cable is a ferrite core, also called a ferrite bead. In ...

Source: Oona Räisänen, public domain. The core of a typical modern submarine cable will have multiple fiber pairs, often eight or more, with each fiber in a pair handling traffic in one direction.

When Field's first cable was constructed, it had three layers of gutta-percha insulation wrapped around a core of seven strands of copper wire. In all, 300 tons of gutta-percha were used for the ...