Falling satellites and large orbital debris create massive sonic booms and scientists are using them to track dangerous space junk.

Master the concepts of average velocity and position update in this physics tutorial. Learn step-by-step how to calculate motion, update positions over time, and solve related problems with clarity.

Abstract: We propose a method for measuring the instantaneous velocity of moving objects using ultrasonic waves. By transmitting and receiving a single dual-chirp pulse, composed of an up-chirp and a ...

A Review of Hydrodynamic Mechanisms, CFD Modeling, and Coastal Engineering Implications Seabed scour caused by propellers is ...

Abstract: Based on the fact that numerical integration can provide more stable and accurate results than numerical differentiation in the presence of noise, a constructive nonlinear velocity estimator ...

Simulates water in a ripple tank. Demonstrates basic wave mechanics: wave reflection, diffraction, and superimposition. Press "P" to pause the simulation and "R" to reset it. Left-click to add a drop ...

At 8 p.m. one cold winter evening just outside Chicago last February, Jennifer Murphy and her husband, Mark, worried about the worsening fever of their seven-year-old daughter. Their doctor’s office ...