diff --git a/docs/math/abstract-algebra/DF-13-fields.md b/docs/math/abstract-algebra/DF-13-fields.md
index f9d8443..a9150ff 100644
--- a/docs/math/abstract-algebra/DF-13-fields.md
+++ b/docs/math/abstract-algebra/DF-13-fields.md
@@ -16,4 +16,6 @@
 
 **Definition**. If $K$ is generated by $F(\alpha)$, then $K$ is a *simple extension* of $F$.
 
-**Theorem**. Let $F$ be a field, $p(x) \in F[x]$ be irreducible. Then, if $\alpha$ is a root of $p(x)$ and $K$ is an extension of $F$ containing $\alpha$, then $F(\alpha) \cong \frac{F[x]}{(p(x))}$.
\ No newline at end of file
+**Theorem**. Let $F$ be a field, $p(x) \in F[x]$ be irreducible. Then, if $\alpha$ is a root of $p(x)$ and $K$ is an extension of $F$ containing $\alpha$, then $F(\alpha) \cong \frac{F[x]}{(p(x))}$.
+
+TODO
diff --git a/docs/physics/electrostatics/6 -polarization-magnetization.md b/docs/physics/electrostatics/6 -polarization-magnetization.md
new file mode 100644
index 0000000..3e8ceb8
--- /dev/null
+++ b/docs/physics/electrostatics/6 -polarization-magnetization.md	
@@ -0,0 +1,3 @@
+# Chapter 6 - Polarization and Magnetization
+
+TODO
diff --git a/docs/physics/electrostatics/7-time-dependent-em-fields.md b/docs/physics/electrostatics/7-time-dependent-em-fields.md
new file mode 100644
index 0000000..63455cc
--- /dev/null
+++ b/docs/physics/electrostatics/7-time-dependent-em-fields.md
@@ -0,0 +1,3 @@
+# Chapter 7 - Time Dependent Electric and Magnetic Fields
+
+TODO