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CBSE Class 10th Science Question Paper 2025: Practice this sample paper, follow prep tips to score cent percentile

CBSE Class 10th Science Question Paper 2025: The Central Board of Secondary Education (CBSE ) will conduct the Class 10 ...
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Negative refraction of light using atoms instead of metamaterials

Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...