I couldn't really tell what their technology is, but it looks like a deviation of ion mobility or gas chromatography. Either way, it probably isn't robust enou

I couldn't really tell what their technology is, but it looks like a deviation of ion mobility or gas chromatography. Either way, it probably isn't robust enough for widespread use, since it looks like it has to ingest a sample, and that just isn't practical when you have hundreds of people waiting in line.