#science

What heat index actually is, how the National Weather Service calculates 'feels like' temperature, and when a hot day turns genuinely dangerous.

The Perseids peak August 12–13, 2026 under a new moon — one of the darkest skies in years. Here's how moon phase controls what you'll actually see, and how to check it yourself.

Why a bike tire, an aerosol can, and a bag of chips all obey PV = nRT — the ideal gas law explained through pressure and volume changes you've actually felt.

Voltage, current, and resistance explained through a genuinely hot charging cable — what Ohm's Law actually says, and how to use V = I × R without memorizing a triangle.