Physics-filter: in the context of a diatribe against memorization, a physics professor of mine once mentioned that she fell in love with the discipline because all of modern physics can be derived from a few foundational equations. So, what are they? [more inside]
posted by perissodactyl on Mar 18, 2009 - 16 answers

How do I use Word 2007's Equation Builder to create a combination of subscripted and normal size characters? [more inside]
posted by madforplaid on Mar 19, 2008 - 4 answers

Is there a way to format equations in Excel so they are more readable? [more inside]
posted by bchaplin on Jan 13, 2008 - 10 answers

Most convenient way to insert equations into web pages? [more inside]
posted by Mapes on May 31, 2006 - 11 answers

How do we know the mathematical models of physics — equations modeling the universe — apply across the universe, to data we collect about the universe that may be billions of years old? (What would be the process for verifying this?) [more inside]
posted by Rothko on Dec 2, 2005 - 22 answers