There has been much debate about what is often called “free” energy—energy that can supposedly, with the right technology, be drawn straight out of the atmosphere, and in very abundant supply. The debates are about whether the stuff actually exists or not, what it would actually cost were it to be harnessed, and if it does exist is it truly as abun...
If you are a human being reading this article then you have tasted and know what iced coffee is. But iced coffee is not what you are thinking it is. You are perhaps thinking that after making a hot cup of coffee, bringing the decoction down to room temperature, and then chilling it in the refrigerator constitutes a simple iced coffee. You could ...