It is better than perpetual
motion, for it is not only that, but perpetual light and heat. I
believe I can use it in the Etherium. motor in place of the force
I ordinarily employ."
He made some experiments, and found that this could be done.
"I wonder what's become of the crazy machinist?" asked Jack.
"Oh, maybe he's made friends with the Martians," said Mark, "and
has told them he's a king, or something like that, and they're
treating him with royal honors."
"More likely he's plotting mischief," declared old Andy. "I wish
my gun was in working order. Somehow I don't like the way that
fellow acted on the red hill."
"Why, you're not afraid, are you?" asked Professor Henderson.
"No, not exactly, but I was just thinking how we could defend
ourselves in case they attacked us. My gun is no good."
"You forget that we have electrical cannons," said Jack.
"That's so," added Mr. Henderson. "And it might not be a bad
plan to get, them in working order."
"Nonsense!" exclaimed the German scientist. "The Martians will
never bother us. They are thinking too much about the stars, the
sun, moons and other planets--they are too intent on studying to
bother us.
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