Sure, you could debate legislative achievements and spheres of influence to determine who history’s greatest leader was. But you could also imagine an old-school video game where Teddy Roosevelt and Josef Stalin — looking a lot like Nintendo’s Mario — face off riding weaponised extinct giant lizards. Artist Jude Buffum has done the latter and we are all richer for it.
Going back in time may seem like an impossibility, but so did air travel at one point. According to Mark Thompson, the astronomy guy from BBC’s The One Show, it’s all a matter of side-stepping Einstein’s theory of relativity.