Alvin Weinberg’s liquid fuel reactors
…n the single or double digit billions, we will need to find ways to really reuse and recycle our stuff. Cheap energy is an absolute necessity for that, but not alone. I can imagine a situation where cheap energy makes mining and discarding cheaper than using that same amount of energy for recycling. So we need well thought-out ideas about how to use energy so it will be part of a circular economy, not bring us farther way from it. Eino Good – The…