The Magic Marker, invented by Sidney Rosenthal in 1953, revolutionized the marking industry by combining a glass tube filled with ink and a felt tip. The marker body, cap, and plugs are made from plastic resin, while the reservoir holds the ink. The felt writing tip is made of powder and water. The ink is made of pigment or dye, resin, and solvent, and is powered by acid-base chemistry. The device consists of a glass bottle for holding the ink and a wool felt wick and writing tip. Rosenthal named the Magic Marker because of its color-changing properties. The ink in Color Change Markers is an aqueous solution of highly polar glycol and non-sudsing detergent. Today, the ink is typically made from alcohols like 1-Propanol, 1-butanol, diacetone alcohol, and cresols. Markers can be waterproof, dry-erase, or wet-erase. The Magic Marker changed the way markers were used, making them more effective and environmentally friendly.
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