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The effect of a vacuum

The effect of a vacuum

C019/8324

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63.3 MB (2.5 MB compressed)

3840 x 5760 pixels

32.5 x 48.8 cm ⏐ 12.8 x 19.2 in (300dpi)

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Credit

MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY

Caption

Marshmallows in a bottle demonstrating the effect of a vacuum. Sucking on the straw removes air from the bottle, creating a vacuum. As the pressure lowers in the bottle the air bubbles trapped in the marshmallows expand, and therefore so do the marshmallows. As it is quite gradual the effect is more noticeable when the air is released back into the bottle and the increase in pressure causes them to shrink again.

Release details

Model release not required. Property release not required.

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