"Found A Large Metallic Cylinder On The Beach Of Husavik, Iceland. What Is This?"
"We asked around and it turns out that these are submarine detectors, nothing to worry about, no explosive inside!"
"Wife And I Found This Today. No Idea What Is, But We Are Stoked"
"Sealed Glass Vial On The Beach"
"It's in too good a condition to be, but it sort of looks like the acid ampoules the British used on limpet mines and other demolition munitions during WW2.They worked by being put into the detonation system, then being crushed. The acid would eat through copper wire (different thickness of wire slowed down or sped up the time). Once the wire split, the detonator would trigger and bang.The ones I saw, admittedly years and years ago, were a bit flatter? I saw them in a museum in Portsmouth back when I was at college - 20+yrs ago. They came in a impact resistant case.Can't be, but looks similar."
"What Is This Thing? Found On Jones Beach, NY, About 1.5-2 Inches At Widest Point"
"European Water Chestnut (Trapa natans) seeds"
"What Is This Fiber/Sand Ball? Found Among Thousands Like It On A Beach In Spain. It Weighs Almost Nothing"
"Found This On A Beach In New Zealand- There Were Thousands Of Them At The High Water Mark. What Is It?"
"Found A Shark Egg In Santa Barbara"
"Flying Cruise Ships Illusion (Fata Morgana) Spotted Today 23/06/21 On The South East Shores Of Cyprus"
"Found Skate Egg Pouch On The Beach"
"Largest Seaweed Bulb I’ve Seen In The 15 Years I’ve Lived At The Beach"
"This Buoy From The Florida Keys National Marine Sanctuary Recently Washed Up On The Shores Of Ireland"
"Ichthyosaur Paddle Bone Which I Found On Charmouth Beach, UK"
"Housemate Found This On The Beach By Our House In The South Of Ireland"
"Found Purple Crown Jellyfish On A Beach On Western India"
"The Beaches Here In The Netherlands Have Free Sunscreen Dispensers"
"Sitting On The Beach When This Monster Floats By"
"What’s Left Of This Chimney On The Beach"
"This Really Intrigued Me. The Sand And Shells Were Embedded Into The Mask As The Ocean Integrated The Mask Into Its’ World"
"Quicksand Swallows Man At Lake Michigan Beach"
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Don't grab stuff out of the sea you don't know.
Does that go for #39 too?
Yeah, its a Physalia physalis, or at least the float body of it.