On the back of it, an iron bed and a chair and table were tied, and on top of them a crate of Barred Rock chickens."

车尾绑著一张铁床、椅子和桌子，上面还有一箱芦花鸡，“

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The result was that the nail could attract little bits of iron on a table thanks to the magnetic field.

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Not so long ago most products were produced using a handful of atoms from the periodic table, like copper, iron, nickel, and aluminum.

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The reaction between hydrogen atoms to make helium has the biggest yield, but subsequent mergers all the way up to iron (number 26 on the periodic table) will release some energy.

ECONOMIST: Sir Fred Hoyle