what do you know?
Employers hire engineers based on the CAD package they know. Or, they don't. By Jean Thilmany

another approach to wind
Vertical-axis turbines may avoid the limitations of today's standard propeller-like machines. By Steven Peace

from foul to fuel
A new approach to fuel cells turns wastewater into clean water and electricity. By Gayle Ehrenman

no gear is an island
A system is the sum of all its parts, both good and bad. By Steven M. Zychinski

exhaust-gas throttle
With the right control, it may boost engine efficiency.

input/output
Pictures from the Deep. By Gayle Ehrenman

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