I'm guessing you found this page by looking into my shell. Which is kinda creepy to look into, but that's not important. Let me explain what epsilon naught means.

What is epsilon naught?

ε₀ is a constant of about 8.8541878188e-12 farads per meter.

epsilon naught in physics

Epsilon naught is a physics constant that tells us how good empty space is at letting electric fields pass through it. The forces f TODO later