Every now and then, I like to follow up on threads of thought that I write about. Today, I am pleased to offer two
Will we ever figure out how to use nuclear fusion to generate energy?
Well, this has been a major disappointment. We have not yet been able to get more energy out of fusion reactions on a sustainable basis than we put in. Until now. File this in the cool step forward category.
Just a short while back, I posted on an exciting new technology that enables us to transform ordinary mice cells from their blood into mice stem cells. Now scientists are testing this — with initial success — using human blood. An easy way to create human stem cells would be a major step forward in treating all sorts of problems.