Self-driving cars, of course, and city infrastructure, are both completely irrelevant to this issue, since neither of those applications involves holding the 5G hardware up to your head.

Come to think of it, a vanishingly small and steadily-shrinking percentage of cell phone users hold their phones up to their heads, these days, too, so really, it's hard to see the relevance of this research.

I barely even use my iPhone as a phone, at all, these days, let alone in a baroque fashion like holding it up to my head.