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As a corrosion coatings engineer, I can tell you that this already happens. It's the whole reason I have a job. You see those green pipes going down the road on a flatbed truck? That's fusion bonded epoxy (powder coating) on plain jane steel pipes. There are several places that FBE coat their rebar before putting it in concrete structures, like you suggested. Combine a good corrosion coating with some healthy cathodic protection, and you can tremendously increase the lifespan of your infrastructure.
However, there are a lot of snake oil salesmen that try to claim "nano" coatings, when really their just dipping the steel in silane or electroplating it or any number of things that look fancy. They probably do help corrosion, but they are no more "nano" than bailing wire and bubble gum. Unfortunately for them, I'm friends with a PhD in advanced material sciences, and it's pretty easy for her to sift through the BS.
If you need to connect to a media server on your LAN (over a cable or wireless), make sure your router won't allow any packets between the TV and the internet.
I know! We could connect it using one of those $10,000 directional audio ethernet cables. It won't allow packets from the TV to the internet, just the other way around.
Finally, the far right has consistently and falsely argued that the media is against them. That is bull and always has been. The honest truth is the media is no different today than it has ever been - it tries to be impartial but fails
Reading about the press's role in the rise of fascism in 1930's Europe is truly frightening. Looking at American newspapers from that era is equally jarring. Some editors were obviously so afraid of Communism (which they conflated with the labor movement) that they were willing to openly support Mussolini and Franco. Anybody who knows anything about the history of the press should scoff (or be worried) anytime Republicans and Fox News talks about the Liberal Media.