The force between electrical charges is kind of a big deal—without it, the universe would be a primordial soup, and you would not exist. That force is determined by the electric constant. The Quest to ...

This is really a lab that I have students do, but I am pretty sure they don't read this blog - so it is ok. If they are reading this, hi! We have these projectile cannons that shoot small balls. In ...

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the ...