Science & Tech
Explaining how things work — from space to technology and engineering.
Everything is Energy — and Why You Can Never Get More Than You Put In
Wood burns. Water flows. A battery powers a light. Everything that happens is energy changing form. But the most important rule in the universe says: you cannot get something for nothing.
How Electricity Actually Works — Clearly Explained
It powers almost everything we own. But what IS it? Tiny particles called electrons — pushed around in a loop — carrying energy from one place to another.
Why the Moon Pulls the Sea — Tides Simply Explained
The Moon is 384,000 km away — yet it lifts the oceans up and down every single day. How does it reach across all that empty space to move the waves?
The Periodic Table — The Map of Everything and Its Most Surprising Facts
From a dream that revealed the pattern to elements named after planets, countries and even one that literally explodes in water — discover the story behind the map of every building block in the universe.
Dates to Remember — What to Look Up at the Sky This Year
Don't miss the next eclipse! Meteor showers... what to look up and when.