Objective To assess Multi-directional Impact Protection System (MIPS) helmet technology on rotational velocity during head impact using a novel testing method. Design Optimization study. Setting ...

Cross-flow turbines, also known as vertical-axis turbines, are attractive for power generation from wind and water currents. Some cross-flow turbine designs optimize unsteady fluid forces and maximize ...

Objective Like many sports involving high speeds and body contact, head injuries are a concern for short track speed skating athletes and coaches. While the mandatory use of helmets has managed to ...