Hydrogels can learn to play Pong
Holden This electroactive polymer hydrogel “learned” to play Pong. Credit: Cell Reports Physical Science/Strong et al.…
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arsenic
chemistry
poison book project
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spectroscopy
toxic pigments
x-ray diffraction
x-ray fluorescence
That book is poison: Even more Victorian covers found to contain toxic dyes
Enlarge / Composite image showing color variation of emerald green bookcloth on book spines, likely…
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