What amuses me is this reads like is written by an amazed american getting wowed by some things the rest of the world already has had for decades. Whats sad is Americans have this exceptionalism mentality where if an old tech like steam and diesel caused them to rule out rail… they never reconsider even if the tech advances.
Its easy to think about vectors in the first sense (as anything with direction and magnitude) when we’re working with classical units (space, force, electric fields, etc)
But it becomes a nightmare to understand intuitively when the vector is defined as something with magnitude and direction when speaking about units that are not obvious to us humans (like time)