It means for something to become better than it was
Improvement inside of a country
"Baffled" means confronted by a situation that needs improvement but unable to imagine how to achieve the improvement needed.
An improvement in science means exactly the same as it does in any other context. It means to make something better
Room for improvement-means it can be realistically improved (made better)
it means a significant, and sudden improvement. Generally a good thing!
"Improvement" means "advancement or growth in desirable qualities" while to "learn" means "to acquire knowledge or an ability".
Reform
Teles means "success, accomplishment".Himerope means "abundant (himalis), "merope" means variously "with face turned" from meros + ops, "with sparkling face" (mar)mairô + ops, and "bee-eater bird" merops.Raidne means "improvement 'Improvement''Improvement'".
Reform
2nd improvement on the original
improvement
Improvement needs a time scale. It means an amelioration over time. The time travel, by removing the time-scale rigidity, forbids further improvement - if I improve tomorrow, the machine will bring the improvement yesterday, thus it was not an improvement.