An increasing number of library journals and databases are accessible from tablet and/or smartphone. Have a look at the apps that are available for Science and Nature, and for databases like Scopus and ScienceDirect. (Be aware that not all apps are compatible with both iOS and Android).
Some publishers have developed dedicated mobile friendly websites, like Taylor & Francis.
World Bank offers a variety of specialized apps, like the Atlas of Global Development, Climate Change DataFinder and the World Development Report.
In short: wherever you are, you may take your library with you!
Contact us at firstname.lastname@example.org for more information about apps and mobile applications for library resources.