Why is the Sky Blue? | Know It All S1E1 | FULL EPISODE | Da Vinci

IN THIS EPISODE
The sun emits radiant energy called electromagnetic radiation. The visible light and the colours we perceive are a form of this energy. The sky looks blue because the colour blue has the shortest wavelength.

KNOW IT ALL
Covering aspects of physics, chemistry, biology and maths, Know It All answers popular science questions in a fun way. In three-minute segments, it mixes ‘hard’ science with intriguing archive footage and off-beat graphics.

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