#physics

Weird Facts

The Eiffel Tower Is Taller in Summer

Iron expands when it warms, so the tower quietly grows about 15 centimetres between a cold January and a hot July, and leans away from the sun while it does it.

Sep 3, 2026 · 13:10

Cosmic Questions

Why the Universe Keeps the Lights Low

If the cosmos is packed with billions of glittering stars, why does the night sky opt for a cozy, pitch-black blanket instead of a blinding neon glow?

Aug 25, 2026 · 14:28