I know a contractor that will put a metal roof on a house. It’s a bit pricey but a lot of people do it for looks and durability. They owners don’t realize the EMP shielding effects of the metal roof.
That supreme worker of the environmental scam, Jeremy Rifkin, was behind it.
It appears we have been relying on computer simulations since 1991.
Not a big fan of computer simulations, even if electrical chips are less complex than the Earth-atmosphere-sun system.