What we want from solar energy: inexpensive, highly-efficient solar panels that we can attach to our roofs to power our homes, with wiring so simple that any weekend handyman can set it up. What we get: Crap gadgets. Happy Earth Week, Dvicians. While we're all feeling good about skipping plastic water bottles and buying local produce, let's remember that the power of solar energy — which was at one time believed to be as transformative as nuclear power — is mostly harnessed for trinkety toys that deliver more novelty than real value. Don't believe it? Take a look in the gallery below. Have a solar-powered gadget that let you down? Have one you love? Let us know in the comments.