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 ...

Scientists have just plotted changes in Earth's axis through laboratory measurements. To do this, they constructed the world's most stable ring laser. Previously, scientists were only able to track ...

If you’ve ever played with tops, you know that some spin easily while others wobble. Ever wonder why? The answer has to do with rotational inertia, a property shared by all rotating systems. Sometimes ...