\begin{frame}{Staffing these new reactors will be an incredible challenge}
  \centering
  \underline{How many reactor operators are required to staff this new fleet?}

  \vspace{0.3cm}

  \begin{columns}[c]
    \begin{column}{0.3\textwidth}

      \begin{figure}
        \includegraphics[width=0.3\textwidth]{images/2_state_of_the_art/nuclear-plant.png}
        \caption*{For one Small Modular Reactor (SMR)...}
      \end{figure}

    \end{column}

    \begin{column}{0.7\textwidth}
      \centering

      % Onslide 1: One shift (2 SROs, 2 ROs)
      \only<2>{
        \textbf{One shift requires:}

        \vspace{0.3cm}

        \begin{tikzpicture}
          % Adjustable parameters
          \def\iconsize{0.8cm}
          \def\spacing{1.0cm}

          % 2 Senior Operators (foreman)
          \foreach \i in {0,1} {
            \node at (\i*\spacing, 0) {\includegraphics[width=\iconsize]{images/2_state_of_the_art/foreman.png}};
          }

          % 2 Reactor Operators (worker)
          \foreach \i in {0,1} {
            \node at (\i*\spacing, -1.2cm) {\includegraphics[width=\iconsize]{images/2_state_of_the_art/worker.png}};
          }

          % Labels
          \node[right] at (2.2*\spacing, 0) {\small 2 Senior Reactor Operators};
          \node[right] at (2.2*\spacing, -1.2cm) {\small 2 Reactor Operators};
        \end{tikzpicture}
      }

      % Onslide 2: Full staffing (6 shifts)
      \only<3->{
        \vspace{0.3cm}
        \textbf{24/7 operations require \(\sim\)6 shifts:}

        \vspace{0.1cm}

        \begin{tikzpicture}
          % Adjustable parameters
          \def\iconsize{0.6cm}
          \def\xspacing{0.8cm}
          \def\yspacing{0.9cm}

          % 12 Senior Operators (2 per shift � 6 shifts)
          \foreach \row in {0,1} {
            \foreach \col in {0,...,5} {
              \node at (\col*\xspacing, -\row*\yspacing)
                {\includegraphics[width=\iconsize]{images/2_state_of_the_art/foreman.png}};
            }
          }

          % 12 Reactor Operators (2 per shift � 6 shifts)
          \foreach \row in {2,3} {
            \foreach \col in {0,...,5} {
              \node at (\col*\xspacing, -\row*\yspacing)
                {\includegraphics[width=\iconsize]{images/2_state_of_the_art/worker.png}};
            }
          }

          % Labels
          \node[right] at (6*\xspacing, -0.5*\yspacing) {\small 12 SROs};
          \node[right] at (6*\xspacing, -2.5*\yspacing) {\small 12 ROs};
        \end{tikzpicture}

        \vspace{0.1cm}
        \textbf{24 licensed operators per reactor}
      }

      % Onslide 3: Total for 100 reactors
      \only<4->{
        \vspace{0.3cm}
      }

    \end{column}

  \end{columns}

\onslide<4->{ \large{ \textbf{To meet demand we require 2,400 new licensed
operators!} } }


\onslide<5>{
  \alert{
    \textit{We currently have only 3,600 licensed operators total...}
  }
}

\end{frame}

\begin{frame}{Nuclear reactors are operated with prescriptive handbooks and
  legacy control technologies}
  \centering
  \includegraphics[width=\textwidth,height=0.75\textheight,keepaspectratio]{images/2_state_of_the_art/control_room.jpg}
\end{frame}