Cryptocurrencyfromwww.mcall.com3 months agoThe penny costs nearly 4 cents to make. Here's how much the US spends on minting its other coinsThe U.S. penny's production cost exceeds its face value, prompting the Mint to cease production.
US politicsfromtime.com3 months agoThe Economics of Deep-Sea Mining Don't Add UpDeep-seafloor mining focuses primarily on nickel and cobalt, but evolving battery technologies are making these metals less relevant.