physics

The Apollo conspiracy is one of the most enduring science myths. Here's exactly why every claim it makes contradicts physics, and how we know the missions really happened.

Quantum mechanics is the most accurate theory ever tested, the foundation of every modern computer, and almost impossible to intuit. Here's a clear, math-light tour of what it actually says.

Astronauts return from space slightly younger than they would have been on Earth. The explanation is real physics — Einstein's theory of relativity — and it has measurable consequences for everything from GPS to interstellar travel.

"Quantum," "subatomic," and "atomic" sound similar and get used interchangeably — but they describe different scales and concepts. Here's a clear explanation that untangles them.

Hundreds of tonnes of metal lifting off the ground feels like it shouldn't work. The physics is simpler than people think — and the popular "Bernoulli only" explanation is mostly wrong.

Comic book heroes make flight look effortless — but a serious look at biology and physics shows why human flight is one of nature's hardest engineering problems.

Fusion is the energy source that powers the Sun. Replicating it on Earth could provide nearly limitless clean energy. After 70 years of effort, we're closer than ever — but harder than expected.

HAARP is a real research facility studying the upper atmosphere. Conspiracy theorists claim it can control hurricanes, cause earthquakes, and modify weather. Here's why physics says no.

WiFi has been blamed for headaches, sleep problems, even cancer. Here's the actual physics and biology — and why decades of evidence don't support the dramatic claims.