What would happen if….

..you took a polystyrene object, decorated it with bright, permanent markers, put it in a net bag and sent it to the bottom of the Hess Deep? Answer, your object shrinks to a fraction of the size due to the huge pressure exerted on it by the water.





Meet Polly, she was rather beautful before her dive, when she surfaced I realised that I had used washable pens-doh!


The cups were attached to the IT housing in net bags


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