[alanh]

10^–15 is not a negative number, just a small one. https://www.wolframalpha.com/input?i=10%5E-15+

[1718627440]

And it is less than one?

[JadeNB]

I think my favorite part of that comment is "documenting" that 10^(-15) is not negative by appealing to Wolfram Alpha.

[agentdrek]

your user name is found at the 4,922,096,564th digit of Pi

[stackghost]

Yes, you're correct. Now ask yourself if "one quadrillionth of an electron" is a quantity that's possible to have.

[ChrisClark]

Good thing he didn't say that