A team of New York University scientists has created a gear mechanism that relies on fluids to generate rotation. The invention holds potential for a new generation of mechanical devices that offer ...

The time it takes for the sun to completely rotate depends where on the sun you are measuring. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

At one point or another, every parent has had the awkward experience of bending and twisting to secure a squirmy child into a child car seat. Rotating models are a relatively new innovation that can ...