Vibration to power: Bidirectional piezoelectric systems for future aerospace structures

Experimental setup: (A) Schematic diagram and close-up photos of the piezoelectric cantilever beam and shunt circuits. (B) Photo of the experimental platform. Credit: International Journal of Mechanical System Dynamics (2024). DOI: 10.1002/msd2.12101 Mechanical structures often suffer from vibrations that can compromise safety, comfort, and operational longevity. Traditional control methods, while effective, demand substantial energy and […]

Material testing technique could boost safety for travelers

University of Canterbury (UC) Civil and Natural Resource Engineering Professor Derek Warner, alongside his research partners, has developed a method for faster and cheaper fatigue testing for materials in cars, ships and planes. Credit: University of Canterbury Te Whare Wānanga o Waitaha | University of Canterbury (UC) Civil and Natural Resource Engineering Professor Derek Warner, […]

A dynamic projected turn signal for increased road safety

The turn signal is projected onto the road in a dynamic movement and indicates when the car is changing direction. Thanks to the high luminous intensity, the signal is clearly visible even in daylight. Credit: Fraunhofer IOF In recent years, micro-optical projectors have become well established for automotive applications. These projectors enable cars to communicate […]

Hundreds of cities have achieved zero road deaths in a year—here’s how they did it

Credit: Pixabay/CC0 Public Domain It’s National Road Safety Week and it comes on the back of a year in which 1,286 people died on Australian roads. The rising road toll—up 8.2% for the year to March—included 62 children. Tragically, road deaths remain the number one killer of children in Australia. Road deaths are not inevitable. […]

NASA uses small engine to enhance sustainable jet research

The DGEN380 Aero-Propulsion Research Turbofan (DART) is a small-scale jet engine NASA uses to test new aviation technology. DART is seen here inside its host facility, the Aero-Acoustic Propulsion Laboratory at NASA’s Glenn Research Center in Cleveland. This soundproofed chamber ensures researchers can understand the level of noise the engine is producing, as well as […]

Reducing operation emissions and improving work efficiency using a pure electric wheel drive tractor

Battery ballast system. Credit: Engineering (2024). DOI: 10.1016/j.eng.2024.01.026 Electric tractors are intended to be used in the field instead of traditional fuel tractors and can be used in greenhouse planting, indoor farming, mountainous operations, and other special operating scenarios. Unlike traditional fuel tractors, electric tractors have no exhaust emissions, rapid drive system response, flexible power […]

Team helps rebuild WW2 Spitfire lost for 76 years in Norwegian wilderness

The Spitfire after being recovered from a peat bog in Norway. Credit: Tony Hoskins, AA810 Spitfire Project. Engine parts from a rare Second World War Photo Reconnaissance Spitfire that was shot down by German armed forces in 1942 and lost until being recovered from a Norwegian peat bog 76 years later are being rebuilt at […]

The exploration and practice of low-altitude airspace flight service and traffic management in China

China’s Leap into Low-Altitude Airspace Management: A Journey Toward Integrated UAS Operations. Credit: GREEN ENERGY AND INTELLIGENT TRANSPORTATION As China propels itself into a new era of aviation with its significant advancements in unmanned aerial systems (UAS), the nation is on the brink of a transformative shift in low-altitude airspace management. These changes are driven […]

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