Physical proof that infinity isn't real

Physicist frequently use infinity when talking about fields (ex. V = integral of E*dr from 0 to infinity) but if the fields were infinite, be they gravitational or electric, they would span the entire universe and all things effected by it would collapse into a single, crushing point. This has clearly not happened and is not happening. QED, infinity is not real.

>>49
1 <= 1/2 + 1/4 + 1/8 ...... is breaking a finite number into an infinite number of fractions
Put it the other way around. An infinite series of fractions is going to be put together into a single finite number, which is the upper bound.

If 2 = Σ₀^∞2^-n, then Σ₀^∞2^-n = 2, obviously.

So yes, an infinite series can be equal to a finite number. Not all of them are, though. You should read a book on integral calculus.