article

Cool Water Boosts Solar Efficiency

Geothermal cooling via a closed-loop thermal heat sink system shows promise in improving solar performance in hot regions.
article

Printing Better, Cheaper Heat Exchangers

Conductive flakes enable an economical additive manufacturing method to yield results.
Q & A

Using Smart Trains to Find Defective Rails

Francesco Lanza di Scalea, professor of experimental mechanics, NDE and SHM Laboratory, Department of Structural Engineering, University of California, San Diego, La Jolla, Calif., discusses the use of ultrasonic high-speed inspection of train track rails to detect internal defects and potentially avoid costly damages.
infographic

Better Grip for Laparoscopy

To pull objects from the tightest spaces, researchers devise a clever little claw.

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