Elon Musk, for those who do not know, is the cofounder of PayPal, SpaceX founder and Tesla Motors founder also, and some people consider it the real world Tony Stark. Leaving that aside, and going to what we want, Mr. Musk believes that in about 15 years will be possible to have colonies on Mars. Before the arrival of Curiosity
to Mars in days past, it was estimated that these colonies would become
a reality only in 30 years, but...
