9/11, as everyone agrees, was a terrible atrocity, maybe the worst single terrorist crime ever. Undoubtedly had major consequences which we are living with. It may be useful to carry out a thought experiment and ask how bad it could’ve been. It could’ve been much worse.
Holistic Heat Management
presented by Mary Ryan
Machines generate waste heat when they do work for us. And this year, seven billion of us will use twenty-five trillion kilowatt hours of electricity. An awful lot of that will end up as waste heat. So, we treat waste heat as a problem. We see it as a challenge to design how we can manage it. We don't think of it as a resource. If we thought of it as a resource, that would be results we are just throwing away. Read more →