> I was also surprised to learn that the cryo systems that get things down to a fraction of a kelvin are only the size of 50-gallon drums. I was picturing somet

> I was also surprised to learn that the cryo systems that get things down to a fraction of a kelvin are only the size of 50-gallon drums. I was picturing something much larger for anything that low. Now I know! Contrast that to the cooling D-Wave uses. It's not all cooling but it gives you an idea of the cooling apparatus: https://youtu.be/zDotDiK2UuY?t=50 https://youtu.be/zDotDiK2UuY?t=50