Impasto is a painting technique where thick layers of paint are applied to the canvas, creating a textured surface. This method allows artists to add depth and dimension to their work, making colors and shapes stand out. The raised paint can catch light in unique ways, enhancing the visual experience. Famous artists like Vincent van Gogh and Rembrandt often used impasto to convey emotion and movement in their paintings. By using a palette knife or a brush, they created bold strokes that brought their subjects to life. This technique continues to inspire modern artists, adding a tactile quality to contemporary art.