Tree Sean writes “The three finalists from our DIY Eco-Tech Contest were nothing short of impressive. Now, we want to know which entry you thought was the creme de la creme. Before you decide, make sure to visit (or revisit) each of the finalist’s entries. The finalists: A solar-powered hydrofoil, a solar-powered bubble machine and a solar-powered FM transmitter/headphone combo. Go vote for your favorite DIY eco-tech!”… Link.