Why does e=mc2
by Brian Cox · first published 2009
3mentions
2recommended by
3HN commenters
2016–2021first – last mentioned
67% recommend33% neutral
The most accessible, entertaining, and enlightening explanation of the best-known physics equation in the world, as rendered by two of today's leading scientists. Professor Brian Cox and Professor Jeff Forshaw go on a journey to the frontier of 21st century science to consider the real meaning behind the iconic sequence of symbols that make up Einstein's most famous equation, E=mc2. Breaking down the symbols themselves, they pose a series of questions: What is energy? What is mass? What has the speed of light got to do with energy and mass? In answering these questions, they take us to the sit
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As a basic introduction which explains some of the actual maths going on, Why Does E=mc2? by Brian Cox and Jeff Forshaw is excellent.
on “What’s Inside a Black Hole?” ↗try reading Brian Cox's "Why Does E=mc2? (And Why Should We Care?)". To understand this you will need at least 10 or 20 pages to set the stage before you can start to grasp special relativity.
on “Ask HN: What scientific phenomenon do you wish someone would explain better?” ↗To add to the confusion, I vaguely recall a number of around 125,000 years. I think it was either from "A Brief History of Time" or Jeff Forshaw's "Why Does E=mc2?".
on “Major nuclear fusion milestone reached as ‘ignition’ triggered in a lab” ↗