Reels about Physics

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Physics

Sunlight you see is 8 minutes old 

Light needs about 8 minutes and 20 seconds to cross 150 million kilometres, so you always see the Sun as it was, never as it is.

#physics#light#sun

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Physics

Lightning is five times hotter than the Sun

A bolt of lightning heats the air around it to about 30,000°C — roughly five times hotter than the surface of the Sun. That sudden heat is what makes the thunderclap.

#physics#weather#lightning

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Physics

Glass is not a slow-flowing liquid

Old cathedral windows are thicker at the bottom because of how they were made, not because glass flows. At room temperature glass is a solid.

#physics#materials#mythbusting