The solution was to send cold water through the tube. And coincidentally this also increased the yield of the solar PV system! It is amazing how a cow catches a hare (sorry folks, this is Double Dutch).
It would be interesting to meet Dr. King to discuss the merits of how our designs will save the world. Ireland would be a great location, it is the only place in the world where I like the draft Guinness.
We were, by the way, so impressed with our ingenious wind/solar solution that we entered it in the General Electric ECOmagination competition. Have a peek at http://tinyurl.com/smartwind and if you like it: VOTE FOR US PLEASE!