title: What does "Searching Taps" Mean with HomeBrew?
body: <p>I tried installing a c++ library by doing the following, and got the message below:</p>
  
  <p>What does this mean? Did it install or did it not? I'm new to homebrew. Thanks!</p>
  
  <pre><code>macbook-2:~ ME$ brew install ceres-solver
  Error: No available formula for ceres-solver 
  Searching taps...
  homebrew/science/ceres-solver
  macbook-2:~ ME$ 
  </code></pre>