There’s not a lot of solid state nitrogen or metallic powders in an airport. The rest of the high explosives that I’m aware of are all rather dense organics. Po

There’s not a lot of solid state nitrogen or metallic powders in an airport. The rest of the high explosives that I’m aware of are all rather dense organics. Possessing those things is how you get yourself selected for secondary screening. Again, I’m not an expert in how these things work, so I’m happy to be corrected. That to me just seems like the most obvious way the new dual energy scanners would be put to use.