In sport, the margin between success and failure is often measured in milliseconds. It could be a cricketer adjusting their foot positioning, a runner refining their sprint start or a footballer ...

Add Yahoo as a preferred source to see more of our stories on Google. The use of motion data is expanding from fitness and rehabilitation to general health. Todor Tsvetkov/E+ via Getty Images People ...

China’s Unitree G1 humanoid robot plays tennis after training on 5 hours of amateur motion capture data from five players.