Screw floating on mercury

Référence de la vidéo 11931416
Screw floating on elemental mercury (Hg). Gloved hand placing a brass screw into a dish of mercury metal. Mercury is a liquid at room temperature but it still has the density of a heavy metal, being some 13.5 times denser than water. Brass is an alloy of copper and zinc, and is around 8.5 times denser than water. As it is less dense than mercury, it floats on the liquid metal. For a repeat of the demonstration with water, see clip K003/3936. For the same demonstrations using a British pound coin, see clips K003/3930 (mercury) and K003/3935 (water).
Licence : Droits gérés
Crédit : Science Photo Library
Model Release : Disponible
Property release : Non requis
Durée : 16 Secondes
Aspect ratio : 16/9
Restrictions : -

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