Physics

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Science Dispatch

Why Honey Never Spoils: The Chemistry of an Eternal Sweetener

Archaeologists have found 3,000-year-old honey in Egyptian tombs that was still edible. Four overlapping chemical properties make honey the only food that does not expire.

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Physics Dispatch

Why the Speed of Light Is the Speed Limit of the Universe

Nothing can travel faster than light — not because of a law someone wrote, but because of what space and time turn out to be. The speed limit is baked into the geometry of the universe itself.

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Physics Dispatch

Why Nothing Can Travel Faster Than Light (And What That Actually Means)

The speed of light limit isn't an arbitrary cosmic rule—it emerges from the geometry of spacetime itself. Understanding why reveals something profound about the nature of causality.

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