In the U.S. if you see this green symbol on your food, that doesn't mean it's organic. It means it's been irradiated, which is a little bit misleadin… - Suzie Sheehy

Four different types of particles: electrons, s, s and gold atoms. ...Can anyone suggest which one you can't put in a particle accelerator? ...A . Yep! Do you know why? Because it isn't charged. Thank you very much. ...[I]t doesn't have an .

I'll tell you very briefly how they work. ...The first thing we need is some ...s, or even atoms themselves perhaps.

In this book, I will take you through twelve key experiments that marked... a discovery... we now see as essential to our understanding of the world... [T]hese experiments embody the spirit of enquiry that stems from human curiosity. ...[T]hey have changed our lives in almost every aspect, from computing to medicine, from energy to communications and from art to archaeology.