[ExI] Extropy opposite of entropy?

Giovanni Santostasi gsantostasi at gmail.com
Sun Jul 24 20:22:21 UTC 2016

Locally life is a battle against entropy. It does increases entropy for the
overall universe but it reduces entropy inside the organism.
The final battle though will be against entropy of the entire universe.
On cosmological time scales intelligence will have to find ways to overcome
entropy at the global level, by tunneling to other universes with less
entropy or by hacking the laws of the universe.
Extropy is the opposite of entropy, but it is not a well defined physical
concept like entropy.
It is more a philosophical idea about the tendency of intelligence life to
create order and organization.


On Sun, Jul 24, 2016 at 3:46 PM, Bill Hibbard <test at ssec.wisc.edu> wrote:

> Last week during a panel at the Future of Mind
> Symposium:
> https://futureofmind.wordpress.com/
> I discussed the work of Arto Annila:
> https://arxiv.org/ftp/arxiv/papers/0910/0910.2621.pdf
> http://www.helsinki.fi/~aannila/arto/natprocess.pdf
> Annila's thesis is that, in the context of the
> energy flow from a hot star into cold space,
> chemistry and life exist because they increase
> entropy.
> One response to the panel was to pose extropy as
> opposed to entropy. And the Wikipedia page:
> from https://en.wikipedia.org/wiki/Extropianism
> includes this:
>   The term 'extropy', as an antonym to 'entropy'
>   was used in a 1967 academic volume discussing
>   cryogenics[3]"
> Do folks in the extropian community see extropy
> as the opposite of entropy?
> We sometimes think of entropy in the context of
> cold space, where life and extropian activity
> would be a struggle against entropy.
> But Earth is close to a star, our sun, and our
> context is the flow of energy from that hot star
> out into cold space. Annila's point is that the
> entropy of that energy flow depends on whether
> the energy flows in a single jump from the very
> hot star to very cold space, or if it flows
> through a sequence of smaller jumps. And flow
> through a sequence of smaller jumps has higher
> entropy. Chemistry, biology, intelligence and any
> extropian organization are ways of channeling the
> energy flow through a sequence of smaller jumps,
> and thus increasing the entropy of the flow. So
> in our context, near a hot star, increasing
> extropy also increases entropy. Extropian
> activity on Earth is not a struggle against
> entropy, but a struggle for entropy.
> How does this view relate to extropianism?
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