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Just 77 of the best gifts to buy on Amazon

The number of things on Amazon can be...overwhelming, so we've got the shortcut to some seriously excellent gift ideas. View ...
Nature

Weissenberg Effect in the Thick White of the Hen's Egg

WHEN a vertical rod is rotated in certain liquids, the liquid climbs up the rod. This phenomenon was apparently first observed by Weissenberg and Russell 1, and in 1949 Reiner, Scott Blair and Hawley ...