Light travels in a straight line. When drawing a light ray: Use a ruler and a sharp pencil to draw a straight line. Add an arrow to show the direction the light is travelling. A ray diagram shows ...
Twisted Sifter on MSN21d
Straight Lines May Seem Like A Perfectly Natural Structure, But They Don’t Actually ExistWhen it comes to getting from one place to another, the ideal way is a straight line. This is something that everyone knows. Also, we know that nature is constantly trying to become better and more ...
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