Are there any citizen science projects that analyze the composition of coins?

Made from genuine World War II Shell Cases: US Penny. Previous. WWII Shell ... Today, you have the opportunity to own one of these pennies that rarely appear in ... Feb 10, 2025 ... President Donald Trump says he has ordered the US Mint to stop making pennies, which he correctly says cost more than one cent to produce. Feb 12, 2025 ... Collectors said the value of certain pennies could rise if the U.S. Treasury stopped manufacturing the coin. We're going to look at how color and condition affects the value of individual coins. We'll investigate some interesting error coins. Feb 10, 2025 ... Here's what to know. Every penny counts: facts about the one-cent coin. The penny was one of the first coins the U.S. Mint made shortly after ... Jan 1, 2016 ... If the pennies are guaranteed to make electrical contact with each other, no static charge will build up. However, the pennies will probably be ... Oct 7, 2024 ... Although pennies are almost never used for their ostensible purpose (to make purchases), right now one out of every two circulating coins minted ... Debt to the Penny is the total debt of the U.S. government and is reported daily. It is made up of intragovernmental holdings and debt held by the public. In 1983 the composition of pennies in the United States was changed due, in part, to the rising cost of copper. Pennies minted after 1983 weigh 2.50 grams while ... Apr 13, 2019 ... Tamara Rubin is a federal-award-winning independent advocate for consumer goods safety and a documentary filmmaker. She is also a mother of ...