I don't track it EVERY DAY, obviously. Just have keyword searches on Google Alerts. And yes, if you were talking 10 years ago, when I started that keyword sear

I don't track it EVERY DAY, obviously. Just have keyword searches on Google Alerts. And yes, if you were talking 10 years ago, when I started that keyword search, Alcubierre drives were seen as "not implementable even if we could use all the energy in the universe and it would have to be exotic matter with negative mass". That's since been refined to "Only implementable with all the energy contained in a solar system, but still needing negative mass" about 5 years ago and then "Implementable with the energy contained in a gas-giant planet, like Jupiter, and not needing negative mass exotic matter". So, you know, maybe not remain impossible forever? There seems to be slow-but-steady progress happening over the decade scale, and I'm happy to be alerted to that when it happens. The only downside to Google Alerts with this is that there are a lot of pop-science sites that trot out a "warp drives: might they be real?" article whenever it's a slow news week where they get an intern to gather up a bunch of links from wikipedia and google and regurgitate it into generic meaningless content. I don't have an answer for how to weed out those false positives. Keywords are a poor tool for the job here.