Discover how Einstein’s theory of special relativity reshaped physics by linking space, time, mass, and energy in a universe governed by the speed of light.

For Higher Physics, revise how to calculate the expected direction of refracted rays using Snell’s law. Calculate critical angle given refractive index.

Venture capitalist Mary Meeker just dropped a 340-page report to describe the speed at which AI is being developed, adopted, spent on, and used.

A rogues’ gallery of speed-demon city politicians By . Post Editorial Board. Published June 6, 2025, 9:43 p.m. ET.

You dodge at mouse speed, enemies move at a speed to catch your ultra-high-DPI gaming mouse wrist-flicks. It gets kind of hardcore and I kind of love it for that.

The preliminary investigation revealed that a 2019 Honda, driven by 86-year-old Bernard Pohl of Pine Bush, N.Y., was traveling eastbound at a high rate of speed.

Marge Sipla, Speed Jokes spirit animal, cataloger and Member of the Speed Jokes Committee, joins John and the gang to give us her favorite Speed Jokes of May 2025! And there was some debate over the ...

The families of the victims of an Orange County, Calif., high-speed car crash are sending letters to the state to keep an illegal immigrant convicted felon behind bars.

The A-HyM Hypersonic Air Master is a 170-passenger airliner concept designed to fly at over 5,600 mph and could cut the typical seven-hour London-New York journey to just 45 minutes ...

Texas authorities released video of a high-speed chase leading to the arrest of escaped New Orleans inmates Leo Tate and Jermaine Donald in Walker County.

The U.S. Department of Transportation released a report revealing issues with California’s high-speed rail project. The project is in default of its federal grant terms, which consist of $4 ...

A long-delayed high-speed rail line in Texas has a new owner: a Republican donor who says the project can be completed even as the Trump administration rescinds federal funding.