Plummeting insect numbers threaten collapse of nature

[ijabbott]

(05-10-2019 07:56 PM)Thomas Okken Wrote:  I didn't say a unit is a real, physical thing. I said the product of a number and a unit is a quantity, and that is a real, physical thing. This is high school stuff where I'm from; isn't it everywhere?

Okay then, what I was trying to ask was whether, say, 1 radian is a real, physical thing?