A train that runs on gravity? Now, that’s cool

You know times are finally changing in Australia, when a mining company run by the country’s second-richest person, Dr. Andrew “Twiggy” Forrest, opens a green hydrogen and renewables business. And when they acquire a bunch of engineers doing something amazing with trains, that’s when things start to get really interesting. This week, Fortescue Future Industries (FFI), the green arm of Forrest’s ​​Fortescue Metals Group, acquired UK company Williams Adva