| http://www.w3.org/ns/prov#value | - I initially wondered if this would be broad-spectrum blocking material (i.e., your cell phone and other radios would not work) or selective, and when I clicked through to the source article, I found that the material is called Frequency Selective Surface, meaning that it can specifically target a discreet frequency range. 2.4ghz is the range of WiFi, so I was trying to think of anything else tha
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