Frequencies now range to 0 Hz

src/pulsatingscience.ui

@@ -51,7 +51,7 @@
           <string>Use this slider to adjust the spin frequency</string>
          </property>
          <property name="minimum" >
-          <number>1</number>
+          <number>0</number>
          </property>
          <property name="maximum" >
           <number>20</number>
@@ -160,7 +160,7 @@
        <item row="2" column="1" >
         <widget class="QSlider" name="sliderOrbitFrequency" >
          <property name="minimum" >
-          <number>1</number>
+          <number>0</number>
          </property>
          <property name="maximum" >
           <number>20</number>