Update README.md

README.md

 # wireplotting
 
+Planar lorentz force actuators:
+
 <img src='img/flatcoil-40awg-microscope.jpg' height=300px>
 <img src='img/flatcoil-cut.jpg' height=300px>
 
-d
+Planar magnetic speakers:
+
+<img src='img/speaker-microscope.jpg' height=300px>
+<img src='img/hex-spiral-coil.jpg' height=300px>
+
+Plotting speakers: 
 
-<img src='img/speaker-microscope.jpg' width=300px>
 <img src='img/speaker-plotting.mp4' width=300px>
 
-d
+