The Arizona capitol building roof holds around 5 million pennies. The amount of copper on this rooftop found in Pheonix is equivalent to around 4,800,000 pennies. This is around 50,000 dollars.
100 Mind-Blowing Copper Facts
The blood of lobsters is colourless. However, when their blood is exposed to oxygen, it becomes a blue colour. This is mainly due to the copper that is found present in the blue hemocyanin molecule in their blood. Now that’s some cool scientific did you know the facts?
The oldest customer service complaint was from 4,000 years ago. The world’s first customer complaint was found on a clay cuneiform tablet in Mesopotamia. It was written by a customer named Nanni who complained of bad copper ingots.
Scientists have taught rats to drive. According to an experiment, rats can learn how to drive. Scientists made tiny cars with an aluminium floor and a “steering wheel” made out of three copper bars. When the rat stood on the car’s aluminium floor and touched the copper bars, it would start an electrical charge that moved the car. By the end of the experiment, they had taught the rats to steer the car in different directions by touching different copper bars. Their secret? Froot Loops. The scientists conditioned the rats to manoeuvre in different ways by rewarding them with cereal pieces.
Octopuses have three hearts. One pumps blood around the body, while the other two pump it to the gills. Oh, and that blood is blue, thanks to high copper levels!
A nickel (the five-cent coin) is only made of 25% nickel. The other 75% is copper.
A Penny Costs More to Make than It’s Worth: A recent report from the U.S. Mint says it costs 2.1 cents to make a penny. Why the increase? Part of the rise could be the higher prices of copper and zinc, both of which are used to make pennies.