The three simplest examples of cosmic fine-tuning

On this blog, I have said repeatedly that I keep three examples of the fine-tuning in my back pocket, ready to go, because they are the ones that make the most sense to me, based on my memory of taking physics and chemistry courses. I thought it might make a good post to just write about them, and you can see if you want to memorize them, too. It’s a good argument, and non-theists respect it.So, first, let me just explain what the argument is. Basically, if you remember in your high school