It's a raspberry pi computer in a ruggedized case. It will be used to host a massive library of WikiPedia articles as well as textbooks and other educational items for offline use. It also functions as a computer so you can browse radio spectrums near you using SDR (Software Defined Radio) and view PDFs from removable media.

Here is the IMGUR write-up/How-To: https://imgur.com/gallery/7jkgBaE