Solving Problem 1 on work and energy from an old physics final exam. Follow the step-by-step reasoning behind classic work–energy principles and see how foundational physics problems were approached ...

If it takes forever for your water to heat up when you run the tap or shower, you can get faster hot water without spending big on a tankless water heater.

Space is cold and has abundant solar energy — the very things data centers need. Experts tell us it’s not that simple.

Mathematicians rely on numbers, but finding words to explain different levels of certainty has stymied everyone from the ...

One concept in physics is responsible for more confusion than almost any other. It’s taught early, referenced often, and ...

Distraction is natural. Paying attention is hard—and always has been. Make focusing easier by recognizing that it is a ...

For more than a century, scientists have wondered why physical structures like blood vessels, neurons, tree branches, and ...

The curse of having to remember easily hackable passwords may soon be over, as a new alternative is set to take over in 2026 ...

Albert Einstein was intrigued by a simple puzzle: an old car must travel 2 miles at an average of 30 mph. The twist? Its structure makes the solution impossible. Can you solve it?

Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works ...

New Analysis Platform Explores Why Household Tasks and Physical Automation Require Embodied Intelligence Beyond Traditional Computer Approaches The next wave of AI is physical AI. AI that understands ...

If you're struggling with math, these best math AI tools can help you solve those complex problems and equations with ease.