What is a fractal figure?
Fractal, in mathematics, any of a class of complex geometric shapes that commonly have “fractional dimension,” a concept first introduced by the mathematician Felix Hausdorff in 1918. Fractals are distinct from the simple figures of classical, or Euclidean, geometry—the square, the circle, the sphere, and so forth.
Are all fractals self-similar?
Simply put, a fractal is a geometric object that is similar to itself on all scales. If you zoom in on a fractal object it will look similar or exactly like the original shape. This property is called self-similarity. On all scales the Sierpenski triangle is an exactly self-similar object.
Is Pineapple an example of fractal?
Recurring patterns are found in nature in many different things. They are called fractals. Think of a snow flake, peacock feathers and even a pineapple as examples of a fractal.
What is a fractal provide three examples of fractals in real life?
Clouds, mountains, coastlines, cauliflowers and ferns are all natural fractals. A tiny sand dune or a puddle in a mountain track have the same shapes as a huge sand dune and a lake in a mountain gully. This “self-similarity” at different scales is a defining characteristic of fractals.
How rare is it to get struck by lightning?
According to the National Weather Service, a person has a 1-in-15,300 chance of getting struck by lightning in their lifetime, defined as an 80-year span.
What does being struck by lightning do to your body?
Dr. Griggs says if a person is struck by lightning, it can cause cardiac arrest, which stops a person’s body from circulating blood and cause direct injury to the brain and nervous system, preventing the brain from being able to send the appropriate signals to tell the body to continue breathing.
What is the 30 30 Rule of lightning safety?
Don’t forget the 30-30 rule. After you see lightning, start counting to 30. If you hear thunder before you reach 30, go indoors. Suspend activities for at least 30 minutes after the last clap of thunder.
How does lightning hit a person?
Typically, the lightning enters the body at the contact point closest to the lightning strike, travels through the cardiovascular and/or nervous systems, and exits the body at the contact point farthest from the lightning.