Abstract: Ultrasound is widely used in engineering and biology for applications such as ultrasonic cleaning, cutting, and cancer treatment. Piezoelectric ultrasonic transducers are widely used to ...

Learn five reliable ways to locate the perfect center of gravity on your RC plane for stable and safe flights. Skip pouring concrete: There's a more affordable, eco-friendly driveway material ...

Something is moving through space — and we may not fully understand it. Scientists have already identified objects capable of destroying entire cities, and some have come closer than expected. NASA is ...

Economist Barbara Rossi has outlined a new method of assessing large numbers of big data-driven forecast models. Rossi told a European Central Bank conference on the use of artificial intelligence in ...

Abstract: The complexity of motion in real-world scenarios may introduce parasitic torque to the operation of gravity compensators. When confronted with such disturbances, classic compensator ...