Not only side glowing optical fiber can transmit light from one end to another end, but also can leak out light from its clad surface to make the optical fiber glowing wholly.

它不仅能将光从光纤一端面传输至另一端面，而且还能将光从其包层表面泄漏出来，使光纤整体发光。

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Since we tested the glass-clad model, in particular, we can speak to that more directly: the white surface picks up fingerprints but, as promised, it doesn't get scratched.

ENGADGET: Acer Aspire S7 review (13-inch): great Ultrabook, a shame about the battery life