1. How does the World Wide Web work?

2. What is "virtual reality"? How does it work?

3. What are computer simulations? What are they used for? How would someone design a simulation like Maj's?

4. What advances in technology and software are necessary for the virtual world of One Is the Loneliest Number to become reality?

5. If you were in charge of setting up the Net Force Explorers, what would you need in order to make it interesting as well as instructive for the Explorers? Who would join the Net Force Explorers? Would anyone be excluded?

6. What is the science behind Roddy's method for making webwalkers sick? Can the body be stimulated into manufacturing toxins even when there is no infection?

7. Winters says, "The scientific method is a fad. A useful one . . . but hardly the only way to get things done." What are...