(Though, perhaps an unusually pessimistic example of the “real soon now, it’ll be usable, we promise” phenomenon; rifles took about 250 years to go from ‘curiosity’ to ‘somewhat useful’).
(Though, perhaps an unusually pessimistic example of the “real soon now, it’ll be usable, we promise” phenomenon; rifles took about 250 years to go from ‘curiosity’ to ‘somewhat useful’).