Was there any noticeable technological progress back in 2000 BC?
What makes you think that in 4000 years people will think there was noticeable technological progress in the XXI century?
But the general theme of humanity expanding across the universe seems a safe extrapolation
Actually, no, if the limit of the speed of light holds, either there won’t be much expansion or the result of the expansion won’t be very human.
What makes you think that in 4000 years people will think there was noticeable technological progress in the XXI century?
Actually, no, if the limit of the speed of light holds, either there won’t be much expansion or the result of the expansion won’t be very human.