You don't need to be sitting in front of a laptop to learn something new. Plan an outing to Coptic Museum and discover more about the world around you.
You're spoiled for sightseeing choice when staying in Old Cairo. Coptic Museum is a great place to kick off here, but there are plenty of other fine spots to enjoy. Giza Pyramid Complex, Great Sphinx of Giza, and Egyptian Museum are not far from the museum and and will cap off your day nicely.