Unknown things, the purpose of which was suggested by people from the Internet
Strange and incomprehensible objects that have put people into a confused state
rgrisshin 
"What is this little metal hammer?"
A source: Reddit/apiology
This is Kalimba - African shock musical instrument
"Found it in the engines store"
A source: Reddit/NoobMaster72
This is a pulse demonstrator
"What is the bottle inserted into the tree trunk?"
A source: Reddit/brwinfart
Thus, injection is performed in a tree trunk for feeding or destruction of parasites.
"Found in a box full of old phones. Is it some kind of portable charger?"
A source: Reddit/DocOctorok
This is an emergency battery for some old phones
"What is this thing on the top of the television tower?"
A source: Reddit/Sufficient-Quarter-8
It turns out that it is a thunder
"What flown in the sky near Seattle last night?"
A source: Reddit/PeppercornOliveOil
These are Starlink satellites, they started them just at this time
"What is this box?"
A source: Reddit/pasqua3
We ourselves are definitely not sure, but most likely it is a pencil sharpener..
"What is the round thing next to solar panels?"
A source: Reddit/dasisiones
This is satellite antenna
