We Can Hold on to Glass, Thanks to Sweat

Our fingers take a little while to get used to glass.

New research shows that when we touch a glass object, whether it be a cup or a smartphone screen, it can take up to 20 seconds before our fingers form a good grip. This is in contrast to things like rubber, which may be just as smooth, but are much softer and easier to hold.

Glass is slippery, obviously, but we can still get a handle on it thanks to small attractive forces between the molecules of the object and our fingers. More co

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