“I noticed a tiny dirt pile, and over a few days, it has constructed itself into a perfect 5 to 6-inch delicate little dirt tower.”
Answer: “Looks like termites. See the nearest wooden structure if there is a similar looking thing.”
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.