But we cannot observe Hawking radiation without having, on hand, a black hole small enough to be hotter than the CMB -- or that can be enclosed and protected fr

But we cannot observe Hawking radiation without having, on hand, a black hole small enough to be hotter than the CMB -- or that can be enclosed and protected from it, and the enclosure itself cooled below it, and in a vacuum so hard as not to any have atoms to fall in. All tall orders.