where on earth?
It can guide emergency dispatchers or surveillance drones, and other applications are on the way; GPS has come a long way since Desert Storm.

tighter air control
A sophisticated operating system, combining currently available technologies, may be a key step toward greater safety in the skies.

risky business
Practitioners say that the techniques for managing industrial risk also protect the bottom line.

smooth operator
Finite element analysis helped Boeing eliminate oiled bearings on its Chinook helicopter.

playing for keeps
Designers of a new tape backup format first had to prove that they could get all the data to line up.

heat exhaustion
A team tries to predict how well a new refinery valve will stand up to its punishment.

input/output
Enter the Tornado.

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