What is Mass and Where Did It Come From?
It seems so simple. Our world is made up of all kinds of stuff. We call it matter, and it possesses something we call mass. But what is mass? Dip into Isaac Newton’s Principia and you’ll soon discover that we’ve never really got to grips with it. And, of course, Albert Einstein subsequently informed us that mass is, in fact, energy: E = mc2.
This is the second in a series of posts on the Oxford University Press TUMBLR site.
Read Article