Wormhole travel. Conceptual computer artwork of travel through a wormhole, represented by the Earth and its Moon entering at right and leaving at left. Wormholes are a theoretical solution to Einstein's equations of space-time. Space and time are not invariant, and have to be treated as a single, unified entity called space-time, seen by the grid pattern at each end of the wormhole. It is thought that at the smallest scale of the universe (the incredibly small Planck length), the fabric of space-time is riddled with wormholes. The concept is also found in science fiction, where they are used to travel between distant points of the universe. However, as wormholes would last for less than a second, such use would probably be impossible.
Science Photo Library was founded in 1981 by Michael Marten, one of the authors of "Worlds Within Worlds", a book exploring different ways to observe the universe - from electron micrographs, to images of earthrise taken from the Apollo spacecraft. When Marten started receiving requests for the beautiful images in the book, he had an idea of setting up Science Photo Library.
Since then, Science Photo Library has continued to work alongside world acclaimed photographers and the leading science and medical experts to provide a central source of the best science and specialist imagery available. Although the collection started with scientific images, it has grown to encompass all aspects of science and their impact on everyday life.
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