Water droplets at the center of a heated pan exhibit the Leidenfrost effect, where film boiling insulates the droplet. Away from the hottest center, droplets evaporate quickly.

Water droplets at the center of a heated pan exhibit the Leidenfrost effect, where film boiling insulates the droplet. Away from the hottest center, droplets evaporate quickly.

By Michael McCormack, Adam Sokol, Ryan Coyle, and Philip Latiff. for Spring 2014 Team First.
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Aluminum flakes in a pool of silicone oil heated from below displays the Bénard-Marangoni convection instability. The resemblance to the Sun was achieved with post-processing of color.
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Water droplets at the center of a heated pan exhibit the Leidenfrost effect, where film boiling insulates the droplet. Away from the hottest center, droplets evaporate quickly.

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