If you are a fan of Apple retro gear then this little mod running the old Newton OS on and iPhone 3G will brighten up your day. Check out the video after the jump
The Open Einstein project is actually an emulator that allows you to run the Newton OS on other operating systems.
It does run a little sluggish, but if you fancy running the Newton OS and giving this a go yourself you can download the code from the Einstein website.
Einstein currently runs on: MacOS X (ppc and x86, 32 and 64 bits), iPhone, iPod and iPad running iOS, Linux (with X11), Windows, ARM-Linux PDAs: