In the Waldo books, each picture is a virtual universe crowded with hundreds of detailed figures no taller than an inch on the page.

The opportunity to imagine and build an entire virtual universe can be compelling.

Reuters has a news bureau which reports news in the virtual universe.

The event was hailed as the first ever festival with a professional line-up to take place in a virtual universe.

After becoming acquainted with the virtual universe, he seems to adapt quickly to his new surroundings.

The second is that I have learned something more about this virtual universe, and every piece of new information may be critical.

They had been in this virtual universe so long!

Using the service as a 3-D virtual chat room or exploring the virtual universe.

The Engineer is going to create a number of virtual universes tonight.

We need to let the looped virtual universe dissolve.