Mmastodon ScienceScience first seen 17 h ago, last 7 h ago, peak #3

The Eiffel Tower grows taller in summer heat

Original: Paris's Iron Lady stretches every summer. ☀️ The Eiffel Tower's iron expands in the heat, making the 330-metre tower gro

The Eiffel Tower grows by about 15 centimetres on hot days. Thermal expansion of its iron structure pushes the 330-metre monument higher as temperatures rise, and it shrinks back down when the weather cools. The quirk is being shared widely as a light science fact about thermal expansion in large metal structures.

Why now: It is an engaging seasonal science fact explaining a surprising physical effect of summer heat on a famous landmark.

Eiffel TowerParis

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Evidence

• Paris's Iron Lady stretches every summer. ☀️ The Eiffel Tower's iron expands in the heat, making the 330-metre tower grow about 15 cm taller on hot days — then it shrinks back down as it cools. # science # physics # engineering # funfact · eatrics · 2

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