From Fermilab’s antimatter factory: Antimatter is the opposite of matter, with the same mass but opposite electric charge. It's considered the rarest, most exp

From Fermilab’s antimatter factory: Antimatter is the opposite of matter, with the same mass but opposite electric charge. It's considered the rarest, most expensive, and potentially most dangerous substance on Earth. One gram of antimatter costs around $62.5 trillion Sounds like we won’t be using antimatter for anything practical for a long time.