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Posts Tagged "spectroscopy"

Observations

Sounds like art fraud: Acoustic waves give clues to paintings’ provenance

painting found to be forgery by analysis of inorganic pigment not used

Theft, imitation and outright deception can make a painting’s history even murkier than centuries of accumulated grime. But getting to the bottom of a piece of art’s origins can be crucial for restoration—and forensics. In recent decades, art scholars, restorers and forensic specialists have relied increasingly on scientific techniques to determine the chemical composition of [...]

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The Curious Wavefunction

Light, crystals and a chemist called Curiosity

Light and crystals In 1802 the English physicist William Wollaston took a prism and squinted at the spectrum of sunlight produced by it which his fellow Englishman Isaac Newton had observed in an iconic experiment more than a hundred years before. Wollaston saw black lines interposed between the familiar set of colors corresponding to the [...]

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