This interactive travel map of the Roman Empire is like Oregon Trail meets Civilization

Ever wondered how long it would take to travel from Rome to Constantinople at the peak of the Roman Empire? Or from Luna to Larissa? Or Parma to Thessalonica? This map of the Roman World created at Stanford University is awesomely realistic — all the ancient transportation lines on it actually existed 2,000 years ago. More »

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This interactive travel map of the Roman Empire is like Oregon Trail meets Civilization

An astonishing shampoo-related physics mystery

In the 1960s, when some were exploring the mysteries of outer space and quantum mechanics, one engineer noticed an extraordinary unexplained phenomenon in shampoo. The sudden, energetic, and seemingly spontaneous bursts of liquid that seemed to randomly squirt out from ordinary shampoo were a mystery for forty years. Here’s why your shampoo, while being poured, sometimes leaps up and tries to get you. More »

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An astonishing shampoo-related physics mystery