In this video, we determine the maximum angular speed a coin can have on a rotating turntable without slipping. By analyzing static friction and centripetal force, you’ll learn how rotational dynamics ...

Learn how to calculate the angular velocity required to create artificial gravity in a rotating system. This video explains the physics behind centripetal acceleration, rotation radius, and angular ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still daring to test it. Some theories of quantum gravity suggest light might ...

The Centre has tightened excise compliance for chewing tobacco and other notified tobacco products through a series of notifications issued under the Central Excise Act, reinforcing machine-based ...

California has dropped its legal fight to restore $4 billion in federal funding for the state’s high-speed rail project pulled by the Trump administration, saying the project will proceed without ...

California sued after the Trump administration cut grants for the long-planned project. The state says it will seek private investors instead. By Francesca Regalado The California High-Speed Rail ...

California has ended a lawsuit challenging the termination of $4 billion in federal grants for its controversial high-speed rail project, ceding its claim to federal funding that the Trump ...

Trump administration pulled $4 billion; California pledged $1B yearly through 2045 Project shifts strategy: buy from manufacturers, obtain private partners, change laws Rail Authority plans to lay ...

The 2026 U.S. Olympic Speed Skating Trials air live on NBC Sports and Peacock this Friday through Monday from Milwaukee. The trials will determine the final spots on the team for the Milan Cortina ...

Plans to build California’s new high-speed railway in 2026 have been revealed to Newsweek. California High-Speed Rail Authority officials have shared updates on the project’s goals, milestones, ...