Comet Siding Spring: A Close Encounter with Mars

In case you haven't heard yet, there's a comet headed for Mars.  It will pass pretty close, close enough for the various orbiters we have in there to get pictures, and for them to be in a little bit of peril.  But apparently there is a plan. http://www.youtube.com/watch?v=Oq8lEKAY_fI Comet C/2013 A1 Siding Spring will make … Continue reading Comet Siding Spring: A Close Encounter with Mars

The simulation hypothesis. Is life an illusion?

Seth Shostak takes a look at the simulation hypothesis, the idea that we are in a computer simulated reality: Is Life an Illusion? | Seth Shostak. ...a future historian (or curious teenager) wielding programming skills and access to a honking big computer could construct SimEarth on steroids. They could, for example, run a simulation of 15th century European society to … Continue reading The simulation hypothesis. Is life an illusion?

Saying that mind uploading will never be possible is unwarranted

This question came up on Quora: 3 What percent chance is there that whole brain emulation or mind uploading to a neural prosthetic will be feasible by 2048? - Quora. After seeing a number of skeptical responses, many claiming that mind uploading was inherently impossible or even incoherent, I posted the following reply: I think mind … Continue reading Saying that mind uploading will never be possible is unwarranted

Does evolutionary theory need a rethink?

Biologists debate whether evolutionary theory needs to be revised: Does evolutionary theory need a rethink? : Nature News & Comment. There seems to be two broad camps.  Those that feel that the traditional view of evolution: random unguided mutation plus natural selection, remains sufficient, and those who feel that a fundamental rethink is in order. Does … Continue reading Does evolutionary theory need a rethink?

The Paraphrase Challenge: How to understand what your opponent is saying

Earlier today, John Zande clued me into an awesome science fiction novella by David Brin called 'Stones of Significance', which I highly recommend to anyone interested in AI, post-singularity fiction, and the nature of reality. By coincidence, the author, David Brin, tweeted this video earlier which, given the epic online fights that have happened recently, … Continue reading The Paraphrase Challenge: How to understand what your opponent is saying