Dr Karl and Dr Rhod wonder if water is blue, why from some angles glass looks green, & the benefits or otherwise of lightboxes
Episode 48 min 58s

Dr Karl and Dr Rhod wonder if water is blue, why from some angles glass looks green, & the benefits or otherwise of lightboxes

Dr Karl and Dr Rhod describe whether water is blue, why from some angles glass looks green, and the benefits or otherwise of lightboxes

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