Knots are not just for shoelaces and sailing lines. In the last decade, physicists have shown that swirling liquids can ...

Vortex is ubiquitous in nature including spiral arms of galaxy, planet rotation, hurricane (tornado). A vortex is a typical and well-known magnetic domain structure in dimensionally confined ...

Background Predicting progression to aortic valve replacement (AVR) in moderate aortic stenosis (AS) is challenging. This ...

A modified Canadair CT-133 research aircraft will next month collect wake-vortex-flow field data to help develop wake-detection systems. It follows a flight earlier this year behind airliners cruising ...