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85 points by todsacerdoti 3h ago 25 comments

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150 points by givemeethekeys 1h ago 122 comments

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Launch HN: Inconvo (YC S23) – AI agents for customer-facing analytics

33 points by ogham 9h ago 21 comments

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17 points by neustradamus 1h ago 1 comments

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260 points by mystraline 21h ago 123 comments

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98 points by omarsar 7h ago 21 comments

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231 points by gmays 20h ago 104 comments

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139 points by program 15h ago 193 comments

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347 points by tanelpoder 1d ago 241 comments

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48 points by zichy 14h ago 63 comments

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500 points by ustad 12h ago 666 comments

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134 points by colejohnson66 4h ago 103 comments

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124 points by fertrevino 23h ago 92 comments

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186 points by aebtebeten 1d ago 26 comments

Mapping of Historical Daguerreotypes: Imaging, Degradation, and Conservation

2 bryanrasmussen 1 8/22/2025, 2:51:41 PM analyticalsciencejournals.onlinelibrary.wiley.com ↗

Comments (1)

bryanrasmussen · 7h ago

original title: Elemental Mapping of Historical Daguerreotypes Using Monochromatic Micro-XRF: Imaging, Degradation, and Conservation Potential