rudolf455 3 research notes and 3 wiki edits | Joined over 2 years ago






halogen bulb

by rudolf455 about 2 years ago | 0 | 93 views | 0


spectre of sunlight

by rudolf455 about 2 years ago | 0 | 161 views | 0


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"the scale should have marks that indicate the wavelenghts up to 1 nm. spectral lines of different chemical elements are often very near together, ..." | Read more » about 2 years ago

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