The ease with which we move in and interact with our environment belies the complexity inherent in even the simplest of these tasks. Movements we make effortlessly, such as reaching for an object or ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Chip Stapleton is a Series 7 and Series 66 license holder, CFA Level 1 exam ...