Page:Ballantyne--The Battery and the Boiler.djvu/262

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242
THE BATTERY AND THE BOILER.

less things never git into that state. You never heard of a turnip bein' muddled, did you?"

Stumps became vacant, and Sam went on.

"Well, you see, the waves are not substance. They are a condition—a result of atoms in motion. Now, when the atoms of a substance are disturbed by friction, or by chemical action, they get into a state of violent commotion, and try wildly to fly from, or to, each other. This effort to fly about is energy. When the atoms get into a very intense state of commotion they have a tendency to induce explosion, unless a way of escape is found—escape for the energy, not for the atoms. Now, when you cause chemical disturbance in an electric battery, the energy thus evolved is called electricity, and we provide a conductor of escape for it in the shape of a copper or other metal wire, which we may carry to any distance we please, and the energy runs along it, as the wave runs along the carpet, as long as you keep up the commotion in the battery among the excited atoms of copper and zinc."

"Mud—no, not quite. I have got a glimmer o' su'thin'," said Johnson.

"Ditto," said Slagg.

"Supper," said old Meerta.

"Ha! that 's the battery for me," cried Stumps, jumping up.

"Not a bad one either," said Robin, as they