Physics Facts

All mass creates a gravitational pull—yes, the same kind of gravity that pulls us towards earth. In fact, we weigh slightly less when the moon is directly overhead.

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Atoms––which make up every single thing in the known universe––are 99.99% empty space.

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Temperature changes can cause large buildings to noticeably grow and shrink. During summers in Paris, the Eiffel Tower can be almost 15cm taller.

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The Daily "Did You Know?"

The human body contains enough carbon to fill about 9,000 pencils.