“What is this ice phenomenon I found on the forest floor today?”
Answer: “The term for it is ’frost flower’ and it has to do with moisture freezing as it escapes plant tissue.”
I think it might be the 95th time I have seen that picture on this site, and yes, old toothbrush :)
Yeah, how could a sponge be used for RFID?
Yeah, Izi, we've been over this before.