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4gravitons.com
| | profmattstrassler.com
25.8 parsecs away

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| | One of the important lessons oflast Tuesday's debate about string theory is that if I'm going to talk about theories that do or don't predict things, I'd better be very clear about what's a theory? what's a scientific theory expected to do? what's a prediction? On Thursday I asked my readers if they felt misled...
| | www.bookpassage.com
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| | A theoretical physicist takes readers on an awe-inspiring journey-found in "no other book" (Science)-to discover how the universe generates everything from nothing at all: "If you want to know what's really going on in the realms of relativity and particle physics, read this book"(Sean Carroll, author ofThe Biggest Ideas in the Universe).
| | profmattstrassler.com
28.1 parsecs away

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| | Matt Strassler [April 12, 2012] It is common that, when reading about the universe or about particle physics, one will come across a phrase that somehow refers to ``matter and energy'', as though they are opposites, or partners, or two sides of a coin, or the two classes out of which everything is made. This
| | educatedguesswork.org
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