Civilization living around a Black Hole?


Hello mortals. Humanity, as a civilization has gotten pretty
far, and at the same time it was at the brink of extinction several times. Some studies even suggest that in the year
70000 BCE, the human population dipped to less than 1000 humans because of this scumbag. Also this dude, who stopped an almost full-out
nuclear war. Humanity is not very likely to survive the
next century according to the Fermi Paradox, but if it does succeed at avoiding all the
apocalyptic events, like nuclear war, anti-matter war, existential struggle, SkyNet, the death
of the Sun, it will still have to face the last obstacle – the death of the Universe. For what we know, everything started with
a bang, or more accurately – an omnipresent hyper-inflation powered expansion, 14 billion
years ago. To this day, the Universe continues to expand,
and it does so, even faster than before. All of that because you touch yourself at
night. In 5 billion years, our Sun will die, becoming
a red giant, and then collapsing to a white dwarf. In another 120 trillion years – all stars
will end up being either white dwarfs or black holes. A bit later, the Black Hole Era of the Universe
will begin. The entire cosmos will be pitch black, being
lightened only occasionally by black hole collisions. Now this period will last very, very long,
until all the black holes evaporate. If any civilization will somehow enter this
era, the only way for them to survive is to harness the power of the black holes. It comes without saying, whatever these civilizations
might look, they will certainly not be biological. Let’s assume they are digital and immaterial
beings, who live inside a simulated reality, because as I said, the outside reality is
kind of boring. In order for them to survive, they have to
collect and store as much energy as possible, so that they can run their simulation for
as long as possible. Also, the colder it is, the more efficient
your equipment will work. Half the temperature – double the number
of calculations per joule. That’s why it would be logical to collect
as much energy and store it until the universe gets really cold. Now back to black holes, how can we harness
their power? Mainly Hawking radiation. Black holes evaporate by emitting it. Bigger ones do it slower, smaller ones do
it faster. And that takes – a lot – of time. A billion ton black hole gives off the equivalent
power of a nuclear plant, and lives for around a trillion years, while a bigger one generates
enough power in a billion year to just power a light bulb for a second. That might seem an incredibly small amount
of power. But don’t forget, black holes live for a
LOT of time, and considering you are living inside a simulation, you can just slow down
your subjective time, so that 1 second for your perspective is actually 1 trillion years. You have nowhere to hurry anyways, the universe
is pretty much dead. Slowing down time would also make long distance
communication between civilizations almost instantaneous. At this rate of subjective time, a black hole
can host an entire galactic empire with trillions of simulated citizens which are powered by
an energy source equivalent of a light bulb. But there is one catch. You see, it’s really hard to create equipment
that can last for at least a decade. Now imagine trillions of years. A benefit of living in the void is that your
equipment will not be affected by outside forces, like erosion. However the true problem is something else,
something unavoidable. Matter decays. Some do it faster, some do it slower, but
you can’t stop it, probably. Iron is the most stable element, that means
all your matter will slowly turn into it. But no worries, it will happen very, very
far into the future. Long after the death of all the black holes. That is if protons don’t decay. If they do, it’s a completely different
story. It involves unicorns, positronium and white
holes. And I’m not sure about the white holes. Now I have a mission for you. Collect everything you can, don’t throw
anything away. We will need it in order to feed black holes
so that they can last longer. And no, it’s not too early to start, don’t
question my logic, mortals. Now go, I need to free my RAM.

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