What is this thing?

5550 readers

58 users here now

Let us help you identify that mysterious object you’ve found.

Currently in CHALLENGE mode: If you've got something obscure knocking about, post a picture, and let's see how we do. Please prefix such posts with "CHALLENGE:" so we know we've got a fighting chance.

founded 1 year ago

MODERATORS

mykl@lemmy.world

121

Found this when snorkling in Greece about 17 years ago when i was just a kid. Always wondered what it was... Anyone an idea? Almost certainly made of metal and i think it is hollow on the inside. (lemmy.world)

submitted 2 weeks ago by BartrandDuGuesclin@lemmy.world to c/whatisthisthing@lemmy.world

30 comments fedilink hide all child comments

you are viewing a single comment's thread
view the rest of the comments

[–] ilost7489@lemmy.ca 21 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

From a quick search, it is used to control the flow of refrigerant based on its temperature. The tube deforms based on how hot or cold the refrigerant is, and there are contacts on the tube to switches that permit or resrrict coolant flow

In other words, it's a simple thermostat

[–] Hamartiogonic@sopuli.xyz 5 points 2 weeks ago (1 children)

Wow, that’s pretty clever.

[–] ilost7489@lemmy.ca 7 points 2 weeks ago

Physics, yo