The Cross Heads

AI helps ID paint chemistry of Berlin Wall murals

Telltale fragments Close examination of chips, labeled according to their blue, yellow, or red color, that once belonged to art on the Berlin Wall reveals brushstrokes, multiple layers, and the pigments used. Credit: Adapted from F. Armetta et al., 2024 Nondestructive techniques like Raman spectroscopy are often used to identify the molecular signatures of pigments, […]

December 12, 2024 | art conservation, Berlin Wall, chemistry, graffiti, neural networks, Raman spectroscopy, Science, street art | No comments

Study: Yes, tapping on frescoes can reveal defects

The US Capitol building in Washington, DC, is adorned with multiple lavish murals created in the 19th century by Italian artist Constantino Brumidi. These include panels in the Senate first-floor corridors, Room H-144, and the rotunda. The crowning glory is The Apotheosis of Washington on the dome of the rotunda, 180 feet above the floor. Brumidi […]

November 21, 2024 | acoustics, art conservation, Science | No comments

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