Was an incredible drop in entropy responsible for the Big Bang? If that’s the case, this w Was an incredible drop in entropy responsible for the Big Bang? If that’s the case, this would lead us to ...

(via TEDEd) How do you know you’re a person who has lived your life, rather than a just-formed brain full of artificial memories, momentarily hallucinating a reality that doesn’t actually exist? That ...

We all feel pressed for time, but how much time is actually left on a grand scale? If in fact the universe is going to keep expanding forever, then you might very well be a “Boltzmann brain.” This is ...

Can someone tell me what is the opposite of a Boltzmann brain (29 March, p 46)? It seems to be a self-reproducing brain that arises through a copy-construction process, not spontaneously from thermal ...

Humanity’s leading boffins have calculated that humanity has nothing to fear from floating space brains. According to the New Scientist there are physicists who claim that there is good evidence that ...