In the book, he picks up some matches and Camphor oil to fight off the beasts, but in the 1960 film version, Rod Taylor, as the Time Traveler, and Yvette Mimieux, as Weena, have a more vivid experience. Yvette, I believe, was using Java-enabled rings. You often hear the complaint about CD-ROM that once the polycarbonate is cast, the data becomes fixed in time. It's not an argument that bears much discussion.
Facts are facts.
Walking past the racks of CD-ROMs at any software store is to stare into the face of obsolescence, planned or otherwise. And then there is the problem of the older title, such as a desktop reference that should at least function for years, where the compiled program needed to access the content can easily enough become a hindrance. The analogy is having printed a book that can only be read with glasses ground in 1956. This is serious. The future of the human race rests in the balance.