Watchmen y psicoanálisis. Doomsday clock, and then…

Causality and the Doomsday Argument

Using the Autodialer thought experiment, we show that the Self-Sampling Assumption (SSA) is too general, and propose a revision to the assumption that limits its applicability to causally-independent observers. Under the revised assumption, the Doomsday Argument fails, and the paradoxes associated with the standard SSA are dispelled. We also consider the effects of the revised sampling assumpti...

doomsday around the corner ? ”

We make corrections on the paper by González-D ´ iaz [Phys. Lett. B 586 (2004) 1] where the false illustration of Eq. (10) for the case of β = 0.5 (relevant to Fig. 1 (II) therein is pointed out and illustrated.

Doomsday Book, Vol. II

For humans, power is in part control over their lives. History is a collection of past experiences that empower informed actions. A repertoire is the catalog of your things. A large diverse repertoire can be critical or it can be irrelevant. A great hammer is nice if the job involves a nail. You might have lots of wrenches, but not the one that bends the right way for the “tough nut”. The wrong...

Notes on "doomsday models".

I would like to state, briefly and bluntly, why I think the various "Doomsday Models" are worthless as science and as guides to public policy. I hope it will not be deduced that I believe the problems of population control, environmental degradation, and resource exhaustion to be unimportant, or that I think an adequate response to them is a vague confidence that something will turn up. They ar...

Observational Bounds on Cosmic Doomsday