String theory looks like a good math framework to describe possible universes. Physics today is hindered by the obsessive idea that what we see around - the obs

String theory looks like a good math framework to describe possible universes. Physics today is hindered by the obsessive idea that what we see around - the observable universe - is all there is, rather than just one of many possible worlds. This is the good old geocentric model on steroids. And this is why physicists are puzzled by the lucky combination of constants that define our world.