Filed under: iPadBack at Macworld, I checked out a company on the show floor that made solar (photovoltaic) panels. I was hoping to see a panel for sale ready to charge the iPhone, because an easy-to-use panel at a reasonable price would have probably had me opening my wallet on the spot. Unfortunately, they only made custom-designed panels, and nothing mass market (or in my price range), so I was disappointed. But this one might be what I was looking for: Quickertek, makers of all sorts of Mac-related accessories, has adapted its MacBook "Apple Juicz" solar p