Understanding a molecule that plays a key role in nitrogen fixing – a chemical process that enables life on Earth – has long ...

This video shows how to apply the work–energy principle to real physical systems beyond ideal point particles. Learn how external work, internal forces, and energy losses are handled in practical ...

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 ...

Kauai, one of the most remote islands of Hawaii, stands steady among the timeless crash of ocean waves. Electric waves, ...

Sophie Germain was a brilliant, self-taught mathematician who won one of France's most prestigious prizes, yet she declined ...

Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly ...

Artificial Analysis overhauls its AI Intelligence Index, replacing saturated benchmarks with real-world tests measuring ...

Biology has always been an unruly science. Cells divide when they want to. Genes switch on and off like temperamental lights.

Create a Physics World account to get access to all available digital issues of the monthly magazine. Your Physics World ...

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 ...

Some problems grow quietly, almost politely, until they stop being ignorable. Space junk is one of those. It does not ...