A rack and pinion steering system consists of a pinion (a circular gear) with a rack (a linear gear). The system works by converting a revolving motion into linear motion. Most cars, small trucks, and ...

The Fed Pumps the Brakes: Our Monthly Survey of the Economy, Interest Rates, and Stocks In 2024, November was by far the best month of the year, with the S&P 500 rising 5.7% on post-election ...

Mumbai: India’s top sports surgeon Dr Dinshaw Pardiwala, who has closely monitored Jasprit Bumrah, has an explanation for why the 31-year-old star pacer participated in only three out of five Tests in ...

The eternal dilemma for motorcycle track rats never reaches a satisfying solution: whether to buy a big power bike or a more affordable base model and invest in upgrades. The answer, of course, is to ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. We propose a scheme for driving a dipolar molecular rotor to rotate continuously by ...

A new analysis argues that the Milky Way’s central black hole, Sagittarius A*, spins at maximum velocity with its axis aimed almost directly at Earth. The result emerges from a machine learning read ...

Abstract: Low-altitude helicopters play a pivotal role in aviation safety, military surveillance, and disaster rescue. However, traditional detection techniques, such as radar and visual recognition, ...