Posts Tagged ‘physics’

19
Oct
27
Jul

Extropy +11: When Civilizations Meet

by adminadam in articles

Monday, July 26, 2010

(FROM THE PHYSICS ARXIV BLOG –> here.)

The Fermi Paradox, Phase Changes and Intergalactic Colonisation

A new model shows how the spread of ET civilisations can undergo phase changes, providing deeper insights into the Fermi Paradox

In 1950, the Italian physicist Enrico Fermi raised the question that now bears his name. If there are intelligent civilisations elsewhere in the Universe with technologies that far surpass our own, why do we see no sign of them?

Since then, the so-called Fermi Paradox has puzzled astronomers and science fiction writers alike. And although there are no shortage of ways to approach the problem, nobody has come up with a convincing explanation.

Now there is another take on the problem thanks to a new approach by Igor Bezsudnov and Andrey Snarskii at the National Technical University of Ukraine.

Their approach is to imagine that civilisations form at a certain rate, grow to fill a certain volume of space and then collapse and die. They even go as far as to suggest that civilisations have a characteristic life time, which limits how big they can become.

In certain circumstances, however, when civilisations are close enough together in time and space, they can come into contact and when this happens the cross-fertilisation of ideas and cultures allows them both to flourish in a way that increases their combined lifespan.

Bezsudnov and Snarskii point out that this process of spreading into space can be easily modelled using a cellular automaton. And they’ve gone ahead and created their own universe using a 10,000 x 10,000 cell automaton running over 320,000 steps.

Continue Reading __ here.

4
Feb

Just Ghosts

by adminadam in prose

JUST GHOSTS
To define Reality,
we must define Experience,
yet we must also define:
the Experiencer, Consciousness, Life, the Universe, etc.

WHAT IS REAL?
In one model of the Universe, 99.999% of all Matter is empty.
(Think hydrogen.)
A proton’s mass is mostly Energy.
(Look quantum.)
Normal Matter fills *only 5%* of the known space in the Universe.
Meaning we, the Experiencers,
can only directly grasp 5% of what exists materially.
And all of it is empty.
Because 9.999 = 10, just as 3.333 = 3.
(Think fractions, 1/3)

ABSURD LOGIC

Matter is both here and not here and we don’t know how or why.

WE ARE CHASING GHOSTS

Our Reality we generally define by what we sense:
Intuition, feelings, scent, touch, taste, sight, and sound.
A sense of Reality, Freedom, Truth, Justice,
Fashion, Compassion, Whatever.
All of these senses rely directly on the schema/ego of the Experiencer.
And we are able to process
only a small minority of what we are able to sense.
And some sense that they are free to believe anything,
because that is part of their schema.
A schema made up of everything processed during their life…

So, we come up with metaphors and diagrams and theories on
Life and Reality.
Taking, then, our constructs and descriptions and images
as
reality.
We tell it to ourselves, and it becomes true.

ABSURD LOGIC

Once in a while, reality comes knocking on the door.
You say, [ Hold on a sec! I’ll be right there.
Gotta finish your diagram! ]
Or maybe your diagram is true…
Maybe it was reality knocking on its own door.

THIS TOO IS A GHOST