When you have an infinitely decreasing number does it ever hit a point where it is indistinguishable from the number it’s approaching? Does 0.999999999…, for instance, ever finally just become 1? A ...

I did a Q&A this week at the website io9, and one of the questions was something I get all the time: How can you add up a series of infinitely many numbers and get a finite answer? This question has ...

This is what happens when you mess with infinity. You might think that if you simply started adding the natural numbers, 1 plus 2 plus 3 and so on all the way to infinity, you would get a pretty big ...