The blue sky is a lesson in light.
The familiar colour overhead begins with sunlight, tiny molecules, and a journey through the atmosphere.
FOLLOW YOUR CURIOSITY
Everyday science.
Extraordinary answers to ordinary questions.
How does an ordinary sight become a scientific question?
An explanation should connect what you see with a mechanism and show you where to check it. Start with the atmosphere, then compare another way that light is used. These are introductions, with source links for the next layer of detail.
- Follow the light that makes a blue sky — Connect sunlight, scattering and the colours overhead.
- Compare what a solar cell does with light — Move from an everyday observation to an introduction to energy conversion.