\begin{frame}{Reducing operations costs for new nuclear power is a billion
  dollar problem}
  \centering

  \only<1>{
    \includegraphics[width=0.8\textwidth]{images/7_broader_impacts/billion.jpg}
  }
  
  \only<2>{
    \begin{tikzpicture}
      % Adjustable parameters
      \def\iconsize{1.6cm}
      \def\xspacing{1.7cm}
      \def\yspacing{1.0cm}

      % 12 Senior Operators (2 per shift � 6 shifts)
      \foreach \row in {0,...,5} {
        \foreach \col in {0,...,9} {
          \node at (\col*\xspacing, -\row*\yspacing)
            {\includegraphics[width=\iconsize]{images/7_broader_impacts/billion.jpg}
            };
        }
      }

    \end{tikzpicture}
  }
\end{frame}

% \begin{frame}{Beyond nuclear: A generalizable framework for safety-critical autonomy}
%
%   \begin{columns}
%     \begin{column}{0.5\textwidth}
%       \begin{block}{Why Nuclear First?}
%         \small
%         \begin{itemize}
%           \item Highest regulatory requirements
%           \item Most safety-critical domain
%           \item Procedures already documented
%           \item Establishes regulatory pathway
%         \end{itemize}
%       \end{block}
%     \end{column}
%
%     \begin{column}{0.5\textwidth}
%       \begin{block}{Future Applications}
%         \small
%         \begin{itemize}
%           \item Chemical process control
%           \item Aerospace systems
%           \item Autonomous transportation
%           \item Critical infrastructure
%         \end{itemize}
%       \end{block}
%     \end{column}
%   \end{columns}
%
%   \vspace{1cm}
%
%   \begin{center}
%     \textbf{Translate procedures $\rightarrow$ Synthesize logic $\rightarrow$ Verify behavior}\\
%     \small Applicable to any hybrid system with documented operational requirements
%   \end{center}
%
% \end{frame}