The terms in bold link to topics in the AQA, Edexcel, OCR, WJEC and CCEA A-level specifications, as well as the IB, Pre-U and SQA exam specifications.
The glasses most commonly used to produce 3D vision from a flat image either rely on absorption and transmission of coloured light or exploit the properties of polarised light. New techniques involve parallax and liquid-crystal displays.
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