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Daley McGinness

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Magnetising metals

In 1744, Gowan Knight presented his research on magnetising metals to the Royal Society. The method he discovered for permanently magnetising hard steels. The use of steel instead of soft iron greatly improved the otherwise crude compass needles used by England's Royal Navy, which then had a much longer magnetized life. Knight took out a patent for his compass in 1766. He devised better ways to suspend compass needles, and introduced the rhomboid shape now common for compass needles.Reference: Philosophical Trans., No. 474, p. 161

Smart puppy

A guy went to the cinema one day and noticed an old man with a dog in the front row. It was a sad, funny kind of film and the guy noticed that during the sad parts the dog cried his eyes out, and during the funny parts, the dog laughed its head off.

This happened throughout the film. After the film ended, the guy decided to go and speak to the old man.

"That's the most amazing thing I've seen," he said. "That dog really seemed to enjoy the film."

The old man turned to him and said: "Yeah, it is amazing. He hated the book."

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