Quote:
Originally Posted by Puxlut
The kidlet asked me this tonight:
How can you see through glass or plastic? It’s a solid. The molecules are packed enough that it is solid… so how can we see through the solid matter?
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You should explain to them how everything solid is mostly just empty space and how even when you think you're touching something the matter of your hand never actually even comes into contact with it. See what they make of that.