47
To fifty for my half append
Two-thirds of one;
The other third my whole will end
When you have done.
No. L.—IS WATER POROUS?
Our belief that two portions of matter cannot occupy the same space at the same time is almost shaken by the following experiment:
If we introduce slowly some fine powdered sugar into a tumblerful of warm water a considerable quantity may be dissolved in the water without increasing its bulk.
It is thought that the atoms of the water are so disposed as to receive the sugar between them, as a scuttle filled with coal might accommodate a quantity of sand.