Cover Story

Sensing Trouble: Fiber-Optics in Civil Engineering

Lynn Savage

A wave of new fiber-optic sensing techniques takes advantage of the sensitivity of telecom-grade fiber optics to stress, strain, temperature and other factors in order to ensure the long-term safety of civil structures. more>>

Features

Next-Gen Quantum Networks

Valerie C. Coffey

Get ready: the quantum internet is a next-generation disruptive technology that is now closer to fact than fiction. Researchers predict that practical quantum communications may be here within 10 to 15 years. more>>


Saving Hubble

Jeff Hecht

Shortly after the launch of the Hubble, NASA scientists couldn’t bring its images into focus—and a bright hope became a grim fiasco. But behind the scenes, optical engineers were devising an ingenious fix that would transform Hubble into the world’s most successful telescope. more>>