Build Your Own Solar Powered Hotspot

Popular Science has a how-to article up on turning a backpack into a portable, solar-powered Wi-Fi hotspot. Its secret ingredient: the Junxion Box. Plug a cellular-network card into the book-size open-source-based device and you have an instant Wi-Fi hotspot, with speeds averaging around 700 kilobits per second. Just the thing for sharing bandwidth with your mates on a roadtrip