Move presentation to markdown. Add an image for classic design.

1 files changed, 20 insertions, 1 deletions

diff --git a/README.md b/README.md
index 117411b..355efd4 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ students and the teacher.
 The design intends to leave a lot of flexibility for the teacher, such
 that there is room for variation in format and content.
 
-## How to use this
+## Downloading
 
 You could download a zip file with all of the files:
 <https://git.mohit.uk/?p=paper-planes.git;a=blob;f=paper-planes.zip>.
@@ -16,3 +16,22 @@ You could download a zip file with all of the files:
 Or use this website to browse all of the files, and download the ones
 that you need from the tree view
 (<https://git.mohit.uk/?p=paper-planes.git;a=tree>).
+
+## Usage
+
+The important files are
+    presentation.pdf    A PDF of the presentation
+    presentation.pptx   A PowerPoint of the presentation
+
+All versions of the presentation are identical in content. A html
+version is offered as well.
+
+A good idea may be not to stick to the presentation, but to 
+
+## Talking points
+
+* Weight and garvity
+* Acceleration/deceleration
+* Surface area
+* Lift and aerodynamics
+* SUVAT/Projectile motion