[extropy-chat] Existential risks and CERN

[Olie Lamb]

Just came across an actual figure for the existential risk posed by
experiments at the Large Hadron Collider:

http://www.nzherald.co.nz/topic/story.cfm?c_id=325&objectid=10400645

Dr Cox dismissed worries that by adventuring into the unknown and creating
tiny black holes, the machine could even destroy the planet.
"The probability is at the level of 10 to the minus 40," he said.

...

With that number, against the probability of other existential risks (eg:
Gamma-Ut Ray Mi Burst), the risk is negligible against the noise.

Question is: are these the real chances, or are they skewed by cognitive
biases?
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