More and more people are using digital cameras instead of conventional film cameras. All digital cameras have a built-in computer that records images in electronic form. Images can be viewed immediately after they have been captured, and they can be uploaded onto a computer or exchanged over the Internet. You can read about how digital cameras work.
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Researchers at the School of Computer Science, Carnegie Mellon University have created software that reads Chinese signs and translates them into English using only a palm-size computer equipped with a small camera. Find out more about the sign translation technology.