Laptop with folding sensors and wires going into a backpack. They seem to be measuring something. Saw multiple people walking around with these setups at a major league baseball game.1yr ⋅ paradigmjumper ⋅ r/whatisthisthing
Metal square, about 1x1 with 5s written on it. About the weight of a quarter.1yr ⋅ 1337rattata ⋅ r/whatisthisthing
I found what I thought was uranium (Vaseline glass) at goodwill in a super rare color( purple rather than white or green). The marking on the bottom says Fenton, 1980s. Internet is telling me that Vaseline glass can't come in purple but damn how bright does this thing glow??? What could it be?4yr ⋅ calvininthewagon ⋅ r/whatisthisthing
What is attached to this fireman helmet? (more pics in comments)4yr ⋅ SqBlkRndHole ⋅ r/whatisthisthing
Found four of these capsules filled with what appears to be metal shavings?2yr ⋅ LeaMonster ⋅ r/whatisthisthing
Found these soft metal objects while metal detecting under a pier at low tide.3yr ⋅ PastorJames2020 ⋅ r/whatisthisthing
This fancy hotel has a shallow tub with two sides. When the button is pressed, one side lights up with a red light and hot water for about 30 seconds. Then the other side lights up with blue light and cold water and shuts off after the same amount of time.2yr ⋅ kjax016 ⋅ r/whatisthisthing
Found metal detecting in a Minnesota park where other objects around 1860s have been pulled.3yr ⋅ turtlesupremelord ⋅ r/whatisthisthing
Found this while beach combing in the Olympic Peninsula. I've never seen anything like it.5yr ⋅ Fishtails ⋅ r/whatisthisthing
Found on the grass in a suburban business park. Lightweight like paper or dried mud, crumbles easily, yet holds its shape in water. Square holes run all the way through to the other side.1yr ⋅ RossGriffon_Bmore ⋅ r/whatisthisthing
Spotted on the train in Copenhagen this morning. Rolling white light across the buttons, the colour lights flashed sporadically. Headphones jack connected and the user was wearing headphones. Ladybug appears on the top left.5yr ⋅ ollieollie14 ⋅ r/whatisthisthing
WITT in a lake in Ohio? Drains into a big pipe at the bottom of a hill3yr ⋅ canstac ⋅ r/whatisthisthing
What is this blue artillery shell looking thing that was dropped (and assuming unexploded) in Ukraine?2yr ⋅ Turborg ⋅ r/whatisthisthing
These bakery window decorations from Kiki's Delivery Service.2yr ⋅ Dr_Sodium_Chloride ⋅ r/whatisthisthing
What are these ping pong ball looking things in this video of Canadian Smoke Jumpers at the wildfires in Quebec?11mo ⋅ Gregnif ⋅ r/whatisthisthing
Found among Grandma's things. All snowflakes go into box, spring clasp on the box.3yr ⋅ EMFB ⋅ r/whatisthisthing
Light Fixture I noticed at a restaurant in NL, Canada. Appears to be some sort of old machinery.2yr ⋅ NerdMachine ⋅ r/whatisthisthing
WITT? Rectangular perforated metal box above the toilet at the back of a stall in my university’s bathroom. About 3in x 3 in x 10in.7mo ⋅ samg461a ⋅ r/whatisthisthing
WITT Some woman triggered our motion camera holding some kind of device. Happened at 3am this morning. What is this device she's holding?1yr ⋅ techtonik25 ⋅ r/whatisthisthing
What is this button on the bottom of the door of my parents apartment? Makes an audible click when it closes, can't seem work out what it does though.4yr ⋅ djiordje ⋅ r/whatisthisthing
Found this hidden in the ceiling of my basement with a bunch of others. Made out of glass, appears to have some sort of tape or paper border around it. hining a light through it doesn’t project a clean image.4yr ⋅ jjwood84 ⋅ r/whatisthisthing
Went hiking in Massachusetts. Found this huge “staircase” about 20 feet tall. Completely flat on the other side. What could it be?4yr ⋅ terpykitty ⋅ r/whatisthisthing
WITT in front of this door? Friend posted it on FB and no one is sure yet. Broad Ripple, Indiana2yr ⋅ Squirmble ⋅ r/whatisthisthing
What is this hole under my partner’s porch? He just moved in a few days ago (to the apartment not the hole). It also looks like...raw sewage?3yr ⋅ HorseOnRollerBlades ⋅ r/whatisthisthing
Is this gold inside my activated carbon undercounter water filter?!2yr ⋅ european_impostor ⋅ r/whatisthisthing
A small plastic and metal device, found in the card slot of an ATM3yr ⋅ Conte_Vincero ⋅ r/whatisthisthing
Found this thing on the street ~2 years ago. The red light was glowing brightly for about five days and then dimly for almost three weeks before fully going out. Looks like it's been run over a couple times too3yr ⋅ nejslutausch ⋅ r/whatisthisthing
An opening in the bottom floor of an 1850s home in Charleston, SC4yr ⋅ bikematt7109 ⋅ r/whatisthisthing
Found this in my grandmother's appartment. Is this a deactivated bomb or something?5yr ⋅ Sushipepz ⋅ r/whatisthisthing
Robot drove itself down the sidewalk from the corner, then docked at this house. No visible operator, and the house seems to have more units in the garage.1yr ⋅ bdjorn ⋅ r/whatisthisthing
I thought it was a piece of art, but now I think it's a board game.4yr ⋅ piccolo1228 ⋅ r/whatisthisthing
A very heavy (~300kg) metal thing me and my friend found in a ditch deep in the forest4yr ⋅ KvvaX ⋅ r/whatisthisthing
Several roles of this were donated to a thrift store I volunteer at. It doesn't have any adhesive and is kinda waxy feeling3yr ⋅ Mephilies ⋅ r/whatisthisthing
What is this? At least 10 highway patrol cruisers escorted this thing. I live near JPL if that helps.3yr ⋅ Alccx ⋅ r/whatisthisthing
Right in the center of my bedroom’s floor, which is a converted dining room in a 1920s apartment. Also directly below the light fixture.3yr ⋅ hyccup2 ⋅ r/whatisthisthing
I found this in our kitchen drawer when I moved in, none of my flatmates have an idea. The smaller part has a bit of weight to it and it's made from rubber/silicon. What is this thing?4yr ⋅ olavivalo ⋅ r/whatisthisthing
Wrenches discovered in melting Norwegian glaciers (explanation in comments)4yr ⋅ disgr4ce ⋅ r/whatisthisthing
Oregon coast range, found poking out of the forest duff near my home.5yr ⋅ echinops ⋅ r/whatisthisthing
What are these pegs at the end of my bed used for? We thought they were for shoes, but there are 9 of them.2yr ⋅ StabHappyClam ⋅ r/whatisthisthing
Small scoop with alligator clip as the handle. Found it cleaning out the kitchen.3yr ⋅ SCruzed ⋅ r/whatisthisthing
Mysterious vial with amber fluid found inside grocery store. Small as a pill?2yr ⋅ Darklingx13457 ⋅ r/whatisthisthing
I'm usually boss at identifying makers marks but this one has me completely stumped. Details in comments4yr ⋅ polyPollyanna ⋅ r/whatisthisthing
This plastic box is glued by years of paint to my wall, only says Air King on it, which just shows fans when I Google the name. Looks original to a house built in the late 60's/early 70's.2yr ⋅ lambchopper71 ⋅ r/whatisthisthing
What is this thing on my wall with a round hole and a small screen inside?8mo ⋅ rmkwh ⋅ r/whatisthisthing
Wooden block with 6 metal fins, inscribed 'Hemma Patent'1yr ⋅ Interesting_Usual882 ⋅ r/whatisthisthing
What is this thing that looks like superman's pod? i saw while going for a walk in burbank, ca3yr ⋅ devomorales ⋅ r/whatisthisthing
What is this black rubber thing attached to a bungee type cord inside my new ski jacket?1yr ⋅ Different-Aerie-6508 ⋅ r/whatisthisthing
Bought decades ago, never truly known what it is or its true purpose4yr ⋅ Olivertos ⋅ r/whatisthisthing
My father just passed and these are his dress blues from the Air Force can anyone tell me what all of this means? I am at a loss and want to know.5yr ⋅ lisalefae ⋅ r/whatisthisthing
Plaque with numbers inscribed on it. Found on the sidewalk outside a building at my university.4yr ⋅ hadsecks ⋅ r/whatisthisthing
4 inches, plastic, pointed on one side. Received as a Xmas gift?! WITT??1yr ⋅ Karljoneill ⋅ r/whatisthisthing
What is this a reference to? Growing cannabis? Posted with the title if you know you know5yr ⋅ currysupernoodles ⋅ r/whatisthisthing
What is this? it’s a little door by the toilet with a spoon shaped device attached to a hinge. it’s in an older house from 19381yr ⋅ KingBarbarosa ⋅ r/whatisthisthing
WITT: It is attached to copper water pipes. Feels like thick cast aluminum. Found it in a basement I was working in.2yr ⋅ EatPlantsNotAnimals ⋅ r/whatisthisthing
Found this under my passenger seat. It has magnets on the back. Is this a GPS tracker someone put in my car??2yr ⋅ Duggan_Digs ⋅ r/whatisthisthing
Blue crystal like baggy. Found in an Apartment of a 92 Year old Lady.1yr ⋅ UnvorseenTrio ⋅ r/whatisthisthing
These strange dust patterns keep showing up on screens of my apartment windows.2yr ⋅ throw_me_away1993 ⋅ r/whatisthisthing
Old school chem set maybe? Found in Abandoned building with no info on it.3yr ⋅ HeroinHero666 ⋅ r/whatisthisthing
What are those things called? I think they're typical of gothic architecture?4yr ⋅ whita_019 ⋅ r/whatisthisthing
Insanely heavy glass with (bubbles?) inside, inscription says 1978. Any idea what this is or just a random decoration item?2yr ⋅ TheBrickBuilder ⋅ r/whatisthisthing
What's this heavy, brass, genie lamp-like object with both a weird cutout spout and a narrow upwards spout?1yr ⋅ FlaxxtotheMaxx ⋅ r/whatisthisthing
Two 6 foot long concrete objects side by side in Iowa cemetery.1yr ⋅ iowafarmboy2011 ⋅ r/whatisthisthing
My husband found this while hunting. It's made of metal and is a little bit bigger than a plow, at least 10' wide and 25' long.1yr ⋅ only1jellybeanz ⋅ r/whatisthisthing
Bathroom coat hangers that can move up or down. Why would you want them downward?5yr ⋅ Jason_Whorehees ⋅ r/whatisthisthing
Floating home found tied to a fence on the beach in Southern California3yr ⋅ mtdunca ⋅ r/whatisthisthing
What are these perfect sets of beach holes? Flip flop for scale.5yr ⋅ papa_higgins ⋅ r/whatisthisthing
what are these? found on a sidewalk, they’re made of glass, no lights inside. just an arrow3yr ⋅ ddevil-36 ⋅ r/whatisthisthing
Can someone help me Identify any of these? Will be providing closer photos in comments4yr ⋅ FireRabbit67 ⋅ r/whatisthisthing
WITT: Small metal trinket found buried on rural Missouri farm. Appears to have an eagle, Flor de Lis, and rope pattern on from and a metal band on the back. Quarter for scale.2yr ⋅ Al_Caprone1 ⋅ r/whatisthisthing
About the size of my hand. Found in the trash. (I'm a trash man). Any ideas?3yr ⋅ anxietyattacks77 ⋅ r/whatisthisthing
What is this metal lump? Shines very bright under light. Almost blinding to look at. Weight: 264 grams and M 12 etched on the side.4yr ⋅ SkillDrew ⋅ r/whatisthisthing
Grainy-like things? They appear inside and on my closet, and reappear whenever I clean them. What are these?4yr ⋅ wowiie ⋅ r/whatisthisthing
My girlfriend's house has this panel next to the basement door that lights up whenever the basement light is on. Why?2yr ⋅ pippiethehippie ⋅ r/whatisthisthing
This was found in the sand at Lewes Beach, Delaware. It looks like it’s part of a mandible but unsure about that. Anyone recognize it?4yr ⋅ SirHermiOdle ⋅ r/whatisthisthing
I found this in a dirt basement of an old house I was cleaning out. What is this thing used for ?3yr ⋅ Atticus_the_dog ⋅ r/whatisthisthing
Found outside on the ground. No markings. No clue. Smaller input jack than standard 1/8” headphone jack.4yr ⋅ JBFXPope ⋅ r/whatisthisthing
Found in our new house on the top landing bannister rail. Seems like it’s meant to hold something but not sure what it is?3yr ⋅ Minute-Mode6727 ⋅ r/whatisthisthing
My neighbors put up a thin, wooden column held up by cinderblocks in their backyard a few times a year. It is connected by wire to their garage. Any idea what it is?1yr ⋅ The-Night-Court ⋅ r/whatisthisthing
What are those vertical poles in my gothic 19th century houses stairway for?8mo ⋅ epijdemic ⋅ r/whatisthisthing
Weird plastic red key that I found in my apartment after the firefighters left after a fire11mo ⋅ LoganSlendy ⋅ r/whatisthisthing
Random-ish straight but not paralel lines next to my office building... What’s happening here?2yr ⋅ putonurseatbeltz ⋅ r/whatisthisthing
What is this mark on this grey seal (uk), I observe them on a regular basis and never seen anything like It?4yr ⋅ krakenunleashed ⋅ r/whatisthisthing
Found in a very old chemistry lab, filled with mercury. Any ideas?3yr ⋅ Stoic_Tendencies ⋅ r/whatisthisthing
WIT Wall Dongus in our new apartment. It is loose and pulling it out of the wall shows that it's attached to a cable. The little rondell on the front is a button3yr ⋅ DisgustingAptitude ⋅ r/whatisthisthing
What is this white plastic looking thing and the tan clay like material sticking to the siding on my house?11mo ⋅ hiberniagermania ⋅ r/whatisthisthing
Nazi key??? So i found this key in with a bunch of things i was given decades ago when my grandfather died. Anyone ever seen a key like this before? it’s about 2cm long an i have no clue where it came from4yr ⋅ hugosp0ps ⋅ r/whatisthisthing
Found this thing while digging in the garden, in the south of the Netherlands. Euro coin for scale4yr ⋅ Valar1306 ⋅ r/whatisthisthing
These chains at animal kingdom disney world, they are located on the safari tour4mo ⋅ herr-heim2point0 ⋅ r/whatisthisthing
White plastic rectangular thing from somewhere inside my house that was apparently accessible to a three year old in the time it took to do the dishes.11mo ⋅ 52BeesInACoat ⋅ r/whatisthisthing
Was using plastic spoons to pour some sugar in my tea when i noticed these strange pattens formed from the sugar sticking to the spoon. The spoons themselves are plain white. Anyone know how this happens and from what?4yr ⋅ Nikita4 ⋅ r/whatisthisthing
I saw these towers in California last weekend in California on I-15, headed West, a few miles from the CA-NV state line. There are 3 in the photo, and it looks like they are spraying a white substance on the ground.3yr ⋅ primetime83 ⋅ r/whatisthisthing
A 10’ tall industrial looking thing that hisses with several pipes and valves, with a vent.9mo ⋅ theunfluencer ⋅ r/whatisthisthing
Priority mail addressed to my wife at our exact address from Romania. Everything is written in Romanian and the letters GT is written on it. We dont even know anyone outside the United States. Syringe is empty.4yr ⋅ 13131123 ⋅ r/whatisthisthing
What are these little dots on our hotel mirror? They seem to be behind the glass.1yr ⋅ AdamCohn ⋅ r/whatisthisthing
a short thick metal coil that can be plugged into an outlet. doesn't seem very safe at all. I'm thinking it's missing a larger piece that creates it's true purpose1yr ⋅ Commercial_Wasabi_86 ⋅ r/whatisthisthing
A bunch of three armed poles, near the bike stands. The arms rotate. Outside a tower block in London.3yr ⋅ devilsrfun ⋅ r/whatisthisthing
These are found on street corners in Daytona Beach. They appear to just pump water up only for it to go immediately to the storm drain. I have seen a few different designs.10mo ⋅ byeargan ⋅ r/whatisthisthing
Weird, old concrete pillar with spikes, found in Spilt, Croatia. Appears to be a memorial due to wreath.4yr ⋅ BonBon666 ⋅ r/whatisthisthing
Bought at a garage sale a couple years ago, because I liked the way the bottom glowed blue (more pics in comments)4yr ⋅ laceandhoney ⋅ r/whatisthisthing
A ball that looks like hair, it’s entire circumference is exactly like what you see in the photo. It’s the size of a toddler kickball.6mo ⋅ SuccessGlittering620 ⋅ r/whatisthisthing
20-30lb rectangular tapered steel object with hole that fell from the sky through the roof of a home.2yr ⋅ LatinoFlamingo ⋅ r/whatisthisthing
Hi everyone. Can anyone tell me what the mirror underneath the lid of the My trashcan is for? Thanks guys!3yr ⋅ pastycoco ⋅ r/whatisthisthing
Was walking by a cabin when I saw this thing. But I struggle to imagine how this would be used effectively.4yr ⋅ ralleruud ⋅ r/whatisthisthing
What are these weird weights that showed up in my hotel room while I was out?3yr ⋅ inkysquares ⋅ r/whatisthisthing
