In physics we use the term "straightforward" for something that doesn't require a conceptual leap but might take a bit of thinking.
Circumnavigating the earth in an airplane is straight forward.
Depending on your frame of reference "straight forward" will launch you into space.
Depending on your frame of reference "keep perfectly still" will launch you into space. But how would that be a useful choice?
I was referring to whether a "straight forward line" would be tangent to the surface of the Earth (i.e., straight) or curved to follow the globe.
Added to my “style” notebook.
Cheers
It becomes obvious only after making the less than obvious assumption that locks can work in OR fashion rather than the usual AND fashion. How does one put 462 locks on a cabinet such that opening any one lock opens the cabinet?
You could put several doors the cabinet.
If using a chain, connecting locks in parallel between the links would be AND, and locks in series between the links would be OR.
I've seen cabinets with multiple doors, and can even imagine them reaching the same space. But I've yet to see a cabinet lockable with a chain:-(
Why, it simply requires the cabinet to be accessible all-around so you can fully wrap the chain, and a handle or the like to thread the chain through!