belly-buttons-and-giants

Left: An experiment with oil heated from below. Hexagonal Rayleigh-Bénard cells have formed. Right: The Giant’s Causeway in Northern Ireland.

Left: An experiment with oil heated from below. Hexagonal Rayleigh-Bénard cells have formed. Right: The Giant’s Causeway in Northern Ireland.

Jigsaw is a talented chess player and fervent climber.

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