So I should print out one for everyone in America and pull it out with every conversation to reference it?
If America is going to switch to metric it is going to require a concerted effort to influence everyone, not flash cards.
They need to gradually phase it in. Since road signs last ~7 years they should pass legislation stating all new road signs must have kph under mph by 2029. Legislation to say by 2036 they must have kph on top with mph minimized underneath. By 2045 all must just display kph. Everything else much have a similar phased approach. By 2050, no more imperial.
If America is going to switch to metric it is going to require a concerted effort to influence everyone, not flash cards.
They need to gradually phase it in. Since road signs last ~7 years they should pass legislation stating all new road signs must have kph under mph by 2029. Legislation to say by 2036 they must have kph on top with mph minimized underneath. By 2045 all must just display kph. Everything else much have a similar phased approach. By 2050, no more imperial.