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Dismissing technology you don't understand is often an error. This is real. It's just that the newspaper account is poorly written. You'll find links posted in this thread that will explain a little better.

I was ignorant in my first post #4, but I have read more on the subject as you can see in the other posts (#8 was one of the links and #10) The reason for my bashing was the line "He said: "The waves can pass through a closed book but they are sensitive enough to see the writing on each page."" I doubt that there will be a THz gadget that can discriminate text written on pages and make it possible to read a book without opening it. Poorly written newspaper articles and business proposals has killed too many ideas.