We had a campfire-cooked lunch on the beach

 

Lack of activity

Apologies for the lack of activity here.  I've been focussed on building up my new venture:  Maker School — putting real tools in the hands of kids and working on real projects.

You can see more at : www.makerschool.net

Exploring Flight

Experimenting today with different wing shapes using a compressor blowing down a tube to create a sort of wind tunnel.  Kinda.

Bernoulli's Principle:  the faster the flow, the lower the pressure.