diff --git a/build.py b/build.py
index e608a31..51c5da8 100644
--- a/build.py
+++ b/build.py
@@ -43,6 +43,34 @@ TEMPLATE = """<!DOCTYPE html>
 <body>
     <header>
         <h1>Физико-математический институт</h1>
+        <div class="header-formula" id="rotatingFormula">∫₀^∞ e^(-x²) dx = √π/2</div>
+        <script>
+            const formulas = [
+                "∫₀^∞ e^(-x²) dx = √π/2",
+                "iℏ ∂Ψ/∂t = ĤΨ",
+                " × E = -∂B/∂t",
+                "e^(iπ) + 1 = 0",
+                "∂²u/∂t² = c²∇²u",
+                "det(A - λI) = 0",
+                "Σ 1/n² = π²/6",
+                "F = ma",
+                "E = mc²",
+                "∮ E·dA = Q/ε₀"
+            ];
+            let currentFormula = 0;
+            
+            setInterval(() => {{
+                const el = document.getElementById('rotatingFormula');
+                if (el) {{
+                    el.style.opacity = 0;
+                    setTimeout(() => {{
+                        currentFormula = (currentFormula + 1) % formulas.length;
+                        el.textContent = formulas[currentFormula];
+                        el.style.opacity = 1;
+                    }}, 500);
+                }}
+            }}, 4000);
+        </script>
         <nav>
             <a href="/">Главная</a>
             <a href="/news.html">Новости</a>
