glass fiber

AT&T’s fiber-optic network, which is installed underground, uses thin, bundled glass fibers to provide internet service via light waves, according to AT&T.

PCBs -- which house and interconnect chips, transistors and other components -- typically consist of layers of thin glass fiber sheets coated in hard plastic and laminated together with copper.

They soon discovered that one of the delicate glass fibers suspending the mirror had snapped.

Each of its 40-kilogram mirrors hangs from a pair of thin glass fibers.

Lava flowing from the volcano was confined to the summit area, but officials warned that winds could carry volcanic gas, fine ash and thin glass fibers known as Pele’s hair downwind.