Hawaii's state flag is the only US state flag to feature the Union Jack upon it.

The Popsicle was invented by 11 year-old Frank Epperson in 1905. He left his drink outside with a stir stick in it and he noticed that it had frozen. He applied for a patent in 1923 and named it "Epsicle." The name was later changed to Popsicle.

The Mars Rover "Spirit" is powered by six small motors the size of "C" batteries. It has a top speed of 0.1 mph.

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