The use of "gray shadow" in the performing arts as a way to create a mysterious effect

The phenomenon of light and shadow is discussed by many sciences, including art criticism. And what does the shadow really represent? What is the relationship between light and shadow? When and why do we use shadows as a technique in theatrical performances? This work explores the shadow as a consequence of the action of light on an object that does not allow it to pass through - the "gray shadow" in theatrical performances. There Are numerous theatrical performances in which diverse projections and shadows are used as expressive means. We use shadow in the theater when we want to know, to see the unlit, hidden side of someone or something. This physical phenomenon has always attracted the attention of people of different cultures and eras and naturally found application in theatrical performances. They involve in either multi-colored or gray shadows. When an object does not transmit light completely appears - a "gray shadow", denoting only the contours of a certain object, the silhouette of the object used in the theatrical performance. Folk art in the form of riddles, games and other things created phrases that are an important guide in understanding and determining the laws of their existence in theatrical works. Shadows turned out to be interesting and useful in training actors and directors of the puppet theater.