T.D : Do you know what a hyperloop is? N : A sort of train that moves in vacuum T.D : It's just a very fast train. Now why do guys like you and me know what a

T.D : Do you know what a hyperloop is? N : A sort of train that moves in vacuum T.D : It's just a very fast train. Now why do guys like you and me know what a hyperloop is? Is this essential to our survival? In the hunter gatherer sense of the word?