If you've ever opened your refrigerator to find a pile of eggs that you can't remember are raw or cooked, here is a simple test.
Because the boiled egg has a solid inside, you can spin it. Simply place it on your counter and give it a turn as though it was a top. Then tap the top of the egg. A cooked egg will stop spinning. Not so with a raw egg. The insides will continue to spin after a light tap, and so will the egg itself.
We want to hear your tips and tricks with eggs.