Science & Tech

How to spot fake photos online ?

As Artificial Intelligence (AI 人工智慧) is getting smarter and increasingly popular, more and more fake (假的) images have appeared on the web. Some of these images

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How does a 3D TV work ?

3D TV, or three-dimensional television (立體電視), is a type of television that displays a three-dimensional (三維的;立體的) picture to viewers. It used depth perception (深度知覺) techniques to

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