Printing Better, Cheaper Heat Exchangers
Conductive flakes enable an economical additive manufacturing method to yield results.
Cool Water Boosts Solar Efficiency
Geothermal cooling via a closed-loop thermal heat sink system shows promise in improving solar performance in hot regions.
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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.
Better Grip for Laparoscopy
To pull objects from the tightest spaces, researchers devise a clever little claw.
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