These are really mind-blowing szenarios. While they might appear as rather theoretical in nature, as they are in such a far distant future, the most striking pa

These are really mind-blowing szenarios. While they might appear as rather theoretical in nature, as they are in such a far distant future, the most striking part was the one of direct practical consequence: based on the theoretical models we can now and today watch for any indication of other civilizations preparing for the far future. And that is pretty cool, even if we might just not see anything interesting.