Firefly Aerospace’s Blue Ghost spacecraft has captured some stunning footage from 75 miles (120 kilometers) above the lunar ...

An elliptical is a low-impact ... by utilizing a combination of gears, pulleys, and flywheels to create resistance. The machine is often known for its low-impact benefits, but that doesn ...

One significant area of research involves the development of high-order and multi-segment modified elliptical helical gears. A recent study proposed a parametric design approach that utilizes ...