And there is problem is "singularity" generally appliable. For example, it may take another 50 years to achieve commercially available fusion power, and we haven't got a slightest clue on how to make a warp drive besides generall mathematical model. And some things may never be available at all, like cold fusion - 'cause it is against the laws of physics.
The Era Astra universe have solved problems like FTL travel, cybernetic augmentation of human body, artificial intelligence or curing cancer - but it's quite comfortable with automatic rifles as an infantry's main arm.