Shermer and Schwitzgebel discuss: bizarreness • skepticism • consciousness • virtual reality • AI, Turing Test, sentience, existential threat • idealism, materialism • ultimate nature of reality • solipsism • evidence for the existence of an external world • computer simulations hypothesis • mind-body problem • truths: external, internal, objective, subjective • mind-altering drugs • entropy • causality • infinity • immortality • multiverses • why there is something rather than nothing.
