Upgrading your gear is sometimes half the fun of cycling—but that doesn't mean every upgrade is worth the money.

Researchers at the University of Konstanz have uncovered a new mechanism of sliding friction: resistance to motion that ...

Mechanical control systemsuse parts for movement/force control. They include input, process, and output. Types of motion: linear, rotary, reciprocating, oscillating. How do different gears transmit ...

When the World Athletics Indoor Championships get underway in Kujawy Pomorze, Poland, on March 20, be sure to tune in to the men’s seven-event heptathlon and the women’s five-event pentathlon. The ...