Blending long lifetimes and low weight are key goals for batteries. QinetiQ turned to lithium sulfur batteries from Sion Power in its Zephyr 6.1 High Altitude, Long Endurance unmanned aerial vehicle, which recently took the crown for the longest duration unmanned flight. The battery/solar-powered Zephyr stayed aloft for 54 hours, nearly doubling the previous record. Zephyr’s wings, which span 62 ft, are covered by paper-thin arrays of amorphous silicon solar arrays. The plane weighs only 31 kg.
Most cyber attacks could be avoided by adopting a list of Critical Security Controls that were created by the Center for Internet Security. That’s the message from Steve Mustard of the Automation Federation.
How 3D printing fits into the digital thread, and the relationship between its uses for prototyping and for manufacturing, was the subject of a talk by Proto Labs' Rich Baker at last week's Design & Manufacturing Minneapolis.
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