And way over 10,000 times more distance, hence why I'm talking about speed of light. We've made very few to no advances on cooling high energy 3d structures in

And way over 10,000 times more distance, hence why I'm talking about speed of light. We've made very few to no advances on cooling high energy 3d structures in a long term reliable way. Things start to get very big very fast and use a lot of power, hence generating a ton of heat.