Read this Article: https://ideas4humanity.com/2020/01/16/python/ m
Highlights of this article: Using our ideas, a reinforced building will survive a 2 1/2 MILE WIDE, 300 MPH, F5 TORNADO! This will reduce the path of F5 destruction to ZERO! Cost of materials to protect a house against a F3 tornado will be a few $100. To protect against a F5 will cost a few $1000 for materials!
More: http://ideas4humanity.com/tornadoes m