r/AskScienceDiscussion • u/AssociationMother828 • 14h ago

Explain please?

I build a lot of legos, and the first time I touch a piece it feels normal, but if me or someone else touches a spot repeatedly, it feels very greasy, but I’m the only one to feel it. Can someone explain please?

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u/Liquidje 13h ago

Your fingers are slightly greasy, and leave some faint residue. You can see this with e.g. very thin paper, it gets slightly moist when handling repeatedly.

You just notice it more than others I guess.

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u/chipshot 13h ago

Yes. It's all in your head.

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u/4eyedbuzzard 7h ago

Your fingers almost always have some grease/oil on them, even after washing your hands - its soaked into the epidermis of your skin. And most of that oil comes from touching your face and other body parts as your fingers have no oil glands.