Articles on Physics

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Making a pitcher of iced tea can be a physics experiment. invizbk/iStock via Getty Images Plus

How do ice cubes cool a drink?

Energy transfer is the secret ingredient that makes iced tea a particularly refreshing drink on a hot day.
The active galaxy Centaurus A, with jets emanating from the central black hole. ESO/WFI (Optical); MPIfR/ESO/APEX/A.Weiss et al. (Submillimetre); NASA/CXC/CfA/R.Kraft et al. (X-ray)

Can you make a black hole in a laboratory?

An astronomer explains why artificial black holes are pure science fiction – at least for now.

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