The Morning News http://bit.ly/2RJU5mo
How do receivers make such jaw-dropping catches? By wearing gloves that are 20 percent stickier than the human hand.
According to Sanat Kumar, a professor of chemical engineering at Columbia University and a specialist in polymers, the sticky property exhibited in a viscoelastic medium arises because the material acts as both a solid and a liquid. “It is macroscopically a solid,” Kumar explained of the silicone. “But at shorter, microscopic lengths, it is liquidlike.”
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