Vortices are a major component of turbulent flow and mostly created by a whirling fluid in which the flow revolves around an axis line, which may be straight or curved. Vortices form in stirred fluids, and can also be produced in other media such as electricity, smoke, wind, or dust. It is believed that Sedona, Arizona, is […]
Having “tea” with Lee Holden
It was a pleasant surprise that I received a complementary copy of “Qi Gong for Healthy Joints” authored by Lee Holden and published by the YMAA Publication Center to review when I got home from a recent trip. During a recent trip to Hilton Head, South Carolina, I experienced my very first Segway tour to […]