RADIATORS ARE MAGNETS? Surprising Effect and Direction of the Earth's Magnetic Field

Are the radiators in our homes affected by the Earth's magnetic field? Radiators are typically made of steel or even cast iron, that can get magnetized in a magnetic field due to ferromagnetism.
And does it depend on where on our planet you live? The direction of the geomagnetism varies quite a lot from fully horizontal to fully vertical...
Let's find out how and how much the geomagnetism magnetizes radiators!
Link to World Magnetic Model 2025: www.ncei.noaa....
My Patreon-page: / brainiac75
The F71 Teslameter donated in 2018 by Lake Shore Cryotronics: www.lakeshore....
Some of my videos on similar topics:
Mystery of the Demagnetizer | What's inside? How does it work?: • Mystery of the Demagne...
MAGNET MYSTERY | Help me explain it!: • MAGNET MYSTERY | Help ...
Vertical? The Earth's Magnetic Field: • Vertical? The Earth's ...
Monster magnet meets subwoofer...: • Monster magnet meets s...
Smartphones measure MAGNETISM in 3D?!? | Gaussmeter in your pocket?: • Smartphones measure MA...
Did you miss one of my videos?: / brainiac75
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#magnet #earth #radiator

[@EgonSorensen]

A LONG time ago a lightning strike hit the antenna of the local police station where I lived. The surge also went into the central heating piping supplying the radiators of the station.. This was back then when PC monitors were CathodeRayTubes (CRT's), and the lightning surge magnetized the radiators so any monitor near them started showing psychedelic colors. The lightning surge made the radiators magnetic, just like a horse-shoe shaped piece of iron can be magnetized. Thanks for your excellent work Brainiac75 - Brian :ø)

[@brainiac75]

Now, that is a nice story. Thanks for sharing, Egon! Apparently, my house has not been struck by lightning ;)

[@spedi6721]

Why did I read CathodeRayDude 😅

[@mikereilly2745]

Yes , Lightning has been known for that. I'm surprised how little it gets talked/written about. There is a magnet factory that pre magnetizes the mags before continuing thru the whole process , They send a powerful current through them in the form of a super hi voltage pulse ... fake lightning strike ..It's still small compared to a real strike

[@VoidHalo]

@@mikereilly2745 You don't even need that much to magnetize something. Just putting a neodymium magnet or other strong magnet on it (and then removing the magnet!) the object will retain a magnetic field through an effect called hysteresis. Basically, when the magnet is removed, not all of the magnetic domains in the ferromagnet will go back to their original orientation. Some domains will stay alligned with where the field was and the object will exhibit some, usually weak, magnetism. I've found that even without magnetizing them yourself, most ferrous products are already weakly magnetic for some reason. If you get a compass, and hold random iron/steel objects up to it, you'll see they almost always deflect the needle. Batteries, pliers, coins, nail clippers. Everything deflected it.

[@eragonawesome]

I think you just solved a mystery of my childhood! When I was going we had a big CRT tv up in one room on the second floor. On the other side of the wall was a bathroom with a radiator. Our house once got struck by lightning and then we had to get a TV degausser wand and use it about once a week from then on, I'd bet the radiator was the source of the distortion!

[@WackoMcGoose]

"I would measure outside, but, you know... weather..." Am Washingtonian, can confirm. A mere centimeter of snow shuts down the entire state...

[@Vordikk]

Meanwhile in North Russia we experiencing unusually warm winter. Overall balance is saved!

[@smeezekitty]

No snow in my part of the state :)

[@justinterested5819]

I think that the Radiator isnt magnetized, but acts like a conductor for the magnetic field, drawing other magnetic field lines into itself, kinda like the Ferrite core in a coil.

[@jackaw1197]

I was thinking the same, especially when the orientation changes "instantly" when rotated.

[@mikereilly2745]

acts a a lens , concentrating the earths field , a blurry not good lens.

[@sometimesleela5947]

That makes more sense. Ferromagnetic materials don't become magnetized unless the field they're exposed to exceeds their hysteresis point, which is far above what the earth has to offer.

[@TymexComputing]

Exactly dokładnie

[@davidquirk8097]

What's happening is that the earth's magnetic flux, which isn't stationary, is inducing currents in the radiator which in turn leads to a magnetic field being generated. If the radiators were Aluminium you'd still see a magnetic signature, may be not so strong, but it would be there.

[@avg.player]

Hell yeah! I did a magnetometer project for my electronics class and was also kinda surprised that the magnetic field lines go rather vertical where I live (Central Europe). Not something I'd expect 😅

[@teh_serial]

I love how you werent sure what to warn the watcher's about because this is just plain safe :)

[@gorak9000]

Should've warned of the danger to your wallet if you buy that expensive triple axis magnetic field meter! I bet that thing would leave a large burning crater in your wallet.

[@95rav]

Safe? What about the risk of 5G from the mobile phone blither, blather and pearl clutching theatrics etc...!

[@nightraven836]

God i love the Hazard Hexagon you use, it feels like such a perfect logo for your channel with how diverse your science content is

[@mastasolo]

When that music kicked in at <a href="#" class="seekto" data-time="250">4:10</a>, I was suddenly reminded of LA beast

[@JunoTheRailfan844]

i havent seen you upload in a while, good to see you again!

[@brainiac75]

Welcome back! I do upload every month (twice if Patreon is included). But you may only get notified of my magnet videos, unless you have the bell turned on to "always". In any, thanks for watching this one :)

[@JunoTheRailfan844]

@brainiac75 no problem! Can't wait to see what you upload next month!

[@TwinShards]

I love how because you can't really give a dangerous warning for something... You're just like "Well i may as well put hot stuff" xD

[@krabkit]

loved the safty message this time. Nothing dangerous this time except that the hot thing gets kind of hot

[@gorak9000]

Should've warned at the severe risk to your wallet if you buy one of those sensitive triple axis magnetic meters - the thing looks like they're pretty proud of it

[@95rav]

And 5G from the phone! Save the children, global warming... Such reckless disregard for humanity! How does YT allow such content!! Not even a warning about not to try doing this with 5G at home - in fact he encouraged it!!! Shame!!!! One more exclamation mark for dramatic effect!!!!!

[@eddydogleg]

"I would measure outside, but, you know... weather..." I'm with you. Currently -14C (7F), blowing snow and dropping to -30C (-22F) Monday.

[@Nonononono_Ohno]

You are using the compass needle as a calibration magnet, with the red arrow end as north. However, if your compass arrow points to the north, then this is not the north, but the south pole of the needle.

[@zebo-the-fat]

I was just going to paste the same thing!

[@Nonononono_Ohno]

@@zebo-the-fat Turns out I have to correct myself. During all my life, I somehow never managed to realize that the Earth's Magnetic North Pole is actually a magnetic south pole as defined in physics. So the north pole of the compass needle unintuitively points to the Earth's Magnetic North Pole, and the calibration shown in this video is absolutely correct.

[@Scigatt]

The ends of a compass needle are defined as north or south because of their tendency to point in the stated direction. Thus, for the Earth magnet, its magnetic south pole is close to the geographic north pole. The video correctly shows this briefly at 3:34.

[@Nonononono_Ohno]

@ Yes indeed, and I corrected myself here a few days ago, but youtube constantly shadow bans or deletes my comments. I guess I will delete my original comment in a few days myself, since it is plain wrong.

[@timothyjarman2308]

Don't show this video to a flat earther.

[@matthewfredrickmfkrz1934]

The alleged curvature is within tolerance for flat in my book

[@brainiac75]

I am pretty sure they don't watch my videos. Too many facts :D Thanks for the early watch!

[@Fazometr1983]

​@@brainiac75я любитель плоской земли😂 Смотрю с большим удовольствием ваши видео. Анализирую и заполняю пробелы в моём знании окружающего мира. С уважением!

[@RomanoPRODUCTION]

They die instantly 😂

[@joanchonescamilla4541]

Too late,we found it! Prepare for the answer😅

[@metern]

Sender en hilsen i fra Norge 🇳🇴 👋😊.

[@mortlet5180]

The radiator seems like it was welded, so its magnetization would have been affected by the welding process.

[@a.karley4672]

You have seen a radiator that wasn't welded? Where, when? I was leaning against a (probably "mock") "Victorian" radiator a few days ago when I noticed the paint peeling off the atrocious ("birdshit weld", as welders round here would describe it) welding between the cast iron vertical "cylinders" of the radiating surfaces. Clearly the cast iron pieces were made to one pattern (and with one set of magnetic fields frozen in form the factory), then the components welded together (a second set of field near the welds) to form 12-pipe, 16-pipe, 8-pipe sets as desired. OK : thinking further, I have a minimal welding "storage heater" radiator behind me. Since I took it apart to re-paint with high-temperature paint when I moved in (£6, versus ~£400 for a new radiator), I know it is made from bent steel sheet, fixed together with self-tapping screws, a few pop rivets, and the mounts for hanging it on the wall spot-welded onto the cosmetic panel and internal stiffening frame. Plus electrical components (wires, fuses, heaters ; all timers etc are at the switchboard). So, not a *lot* of welding there. The minimum, given that welding is more expensive than screwing or pop-riveting. I'll be more attentive to the structure of radiators now. Did the Victorians really have - and use - cheap electrical welding machines in unskilled hands to assemble radiators? I'm almost interested.

[@savagesarethebest7251]

I am quite sure that welding will heat up the metal past the Curie point (the metal is melted in order to fuse it together). This is kind of a magnetic reset, if you will.

[@a.karley4672]

@ Well, some welding gets to the melting point (say, 1500 K, for alloyed steels, quite variable), but spot welding doesn't get to those temperatures, I think, because it only has to get to making the metal soft enough to *deform*. Spot-welding machines exert considerable pressure between the electrodes, pushing the metal together and making it flow. That they do at temperatures in the 1000 K range (again, variable). Curie temperatures for steels are still considerably lower - 800, 900 K (again, variable), so typically a welding process *will* result in a magnetic "reset" for the welded material, and for some of the heat-treated material around it. The high electrical currents in spot-welding are going to generate magnetic fields too, exactly where the metal is getting hot and deformed.. Then there's the effect of agitation ... just the process of clattering steel parts onto and off a production line is going to produce some magnetic alignment with the ground/ region/ building (those structural beams have typically picked up a significant magnetic field during their manufacture).

[@PaulFisher]

I am pretty sure you’re not going to find many household radiators on the equator.

[@aveekbh]

Yes, I was about to say that. The only radiators in my home are in the fridges. I guess you could measure other large static steel/iron household objects.

[@soundspark]

That red bar at <a href="#" class="seekto" data-time="62">1:02</a> means you'd better archive as much as you can before they take down important data.

[@yin-fire3263]

Very nice sound system you have there, my man!

[@jmi967]

An interesting extension to this experiment would be to measure the field at different points further away from the radiator to map out the 3D field lines. Given that the readings are way higher than the geomagnetic field, it would show whether the radiator was concentrating the local field.

[@JustPyroYT]

Woah very interesting! Great excursion into the earths magnetic field! :D Have a great weekend! ^^

[@oofytoty]

You have finnaly came back! HELLO Brainiac!!!!!!!!

[@MekhiSimons]

Nothing like the feeling of being early to a Brainiac75 video.

[@aniksamiurrahman6365]

We use steel for all kind of constructions. All our buildings are basically steel mesh, all our radio/cell towers, all our industries are giant heap of iron. I wonder, are all those magnetized too?

[@alanlahay8693]

Could the flow of water through the radiator also be contributing to the magnetism? I know this is occurs in industrial piping, the flow of products will magnetize the pipes over time.

[@a.karley4672]

You would have loved having to *map* the triaxial magnetic field intensity of an oil rig's "pipe deck", before you could choose where to lay out your magnetic surveying tools for pre-run calibration and testing. The next time you return to that same rig, and *had* to repeat the survey because of "procedures" at found that at this location the rig was oriented to bearing 347 instead of 024 (because of different currents on the hull below the waterline), and got a *different* map, and had to use a *different* part of the pipe deck for a working area (the "deck crew" having already delivered your storage and workshop containers to "where you had them last time, mate"), you would have loved it less. The third time you returned to the *same* rig, and found a third *different* map, you'd have been quite fed up (the welder had fixed new cable trays to the underside of the roof which made the pipe deck's deck). I was the guy who asked for those cable trays to be installed (because our loos cables kept getting snagged and I had to replace them). My college classmate of 6 months previously, who was a trainee oil well surveyor was the one complaining to me about the endless re-surveying for their "magnetically quiet workspace".

[@KennethRosenstroem]

Interresant information, tak for videoen.

[@hulkhogan6259]

FINALLY! Someone is looking at edward leedskalnin's ideas.....excellent my man....

[@AklemTech]

<a href="#" class="seekto" data-time="291">4:51</a> that's an odd window sticker

[@mukundtechtips]

Wow that radiator is really nice ! And I will surely wait when you will make video on the so. Lamp 🤗

[@Abir_Mahmud_Shohan-_-]

<a href="#" class="seekto" data-time="144">2:24</a> good brick🗿

[@johnjob9523]

Well done! Golder hour viewer

[@anoimo9013]

nice. On <a href="#" class="seekto" data-time="630">10:30</a> ther should be horizontal measures on the piece of vertical oriented piece of iron

[@Duracellmumus]

Nice topic. Some anomaly around the radiators are come from the current loops.

[@KG4JYS]

If you could get some aluminum t-slot frames and motors, like you'd have in an open laser cutter - you could attach that probe instead of the laser or router and use an Arduino to automate taking a detailed magnetic map of that radiator. I think it would be an interesting video... if you have the frame and motors (or a laser cutter or router you could repurpose).

[@AccidentalScience]

Now it would be interesting to detach the radiator and turn it upsidedown. But I suspect that would be a pretty messy experiment 😊

[@Haarschmuckfachgeschafttadpole]

The white brick is starting to become a featured member of the channel.

[@RafaCB0987]

Really cool experiment

[@TheChipmunk2008]

LMAO 'my home is one big magnetic anomaly' Very true and very amusing

[@wolvenar]

I wonder, now I have to check the radiators at a local building that is VERY old

[@RyanMercer]

I've never lived in a building with radiators.

[@zollicb3]

The magnetic anomalies may be a byproduct of the welding process used in the manufacture of the radiator.

[@Roobotics]

Just imagine if earth had a magnetic 'snap' zone that had was an unstable polarization region and liked to flip it's flux fields back and forth with some sort of regularity. Would be an interesting phenomenon that residents could harvest 'free' energy from. But just a theoretical! Could also cause things like enhanced corrosion across continuous metal structures though I suppose..

[@noneofabove5586]

Have you checked ths magnetic strength with the radiator aligned with the earth magnetic field? Your vertical reference is on an odd angle to the poles. Would it have readings similar to readings at the equator?

[@loukashareangas4420]

I really like that one of the first shots in the video (the globe) has Greenland in the center, with (Denmark) written below it. Feels kinda relevant these days

[@electronics-by-practice]

Thanks for the video, with all those strong magnets northern lights will be more visible over your house 😊.

[@StubbyPhillips]

I assume your teslameter has some sort of output. How about connecting that output to [magic] that drives an RGB LED that you mount on the tip of the teslameter sensor? Do a timed exposure, move the probe around, see the field.

[@anullhandle]

I guess that meter is "if you have to ask you can't afford it" territory lol. Years ago I saw a tree get zapped up close. Tree looked ok but it blew a round tunnel in the the mulch and burnt a straight line in the grass under 10cm ish of water to the building. CRTs didnt need a degauss but lost a few mboards and half a dozen nics. Back when lan cable used BNCs :)

[@Haarschmuckfachgeschafttadpole]

I believe he got it for free from the company and I can't find any price listings for it. Older style monochrome LCD readout models from that company go for around $1k so I expect this one to be $5-10k at least.

[@Haarschmuckfachgeschafttadpole]

Found a listing on their website for $7,547.00 for the F71 model as seen in this video.

[@adwadwadw]

Is it possible that the radiator having an inflow of hot water on one end and a cooler opposit end creates a tiny thermoelectric effect that aids to the weirdly angled magnetic field messured on the edges?

[@virtualfather]

What happens to iron particles in your water as they flow around? Does it magnetize the heating unit?

[@gcewing]

It will now be possible to spot fans of this channel by the presence of weird diagonally-mounted radiators in their houses.

[@Rydlenar]

XD Your knees make the same noise mine do!

[@jasonsmall5602]

Does the water flow affect it due to magnetohydrodynamics?

[@9madness9]

Magnetic particles in the radiator will affect the radiator more than the earth surely? There is an enhanced WMM now with higher spherical harmonics to produce a higher accurate magnetic model but this will only model earth crustal to the size of 320km approx. The old model you had modelled to 900km.

[@filonin2]

I've never seen a radiator except in a car or in VERY old movies.

[@scose]

<a href="#" class="seekto" data-time="243">4:03</a> nice

[@VoidHalo]

I've found that literally every object made of iron or steel is magnetic. I noticed when I had a compass sitting on my table next to a steel pencil holder and I noticed the needle was pointing right at the holder. So I tried with some batteries, and each one deflected the needle. Tried with copper plated steel coin, deflected. Pliers? Deflected. Side panel from a computer case? Deflected. Pain of nail clippers? Deflected. I know ferromagnetic materials can retain magnetic fields through hysteresis if they're exposed to a strong field. But, that doesn't explain why every single thing I tested was magnetic. Even after passing it through the very same demagnetizer that you have. Although, I've found that thing doesn't demagnetize very well. Tiny screws still stick to my screwdrivers no matter how many times I use it. It's not AS magnetic, but it's still there.

[@a.karley4672]

"Hot rolling" steel ingots from the blast furnace will impose a local magnetic field on the steel, which it would be hard (sense : "expensive") to remove. Those fields may be changed or "re-set" in subsequent operations (particularly welding), but it takes concerted, planned action to remove them totally. In the 1980s, I would watch "survey operators" carrying out magnetic surveys of drilling rigs, to determine the least-bad part of the deck to lay out and check their magnetic survey tools. On a particular rig, the least bad area would *move* every time the welder needed to "tack" a steel container in place, or weld in some trays for electrical cables, or just weld-fixed tool joints on the end joints of casing laying on the pipe supports. So the survey had to be repeated every time the survey operators came back to the rig for a new well. Eventually they stopped. The tools were calibrated at the workshop, and if they showed the wrong numbers (per geomag reference model) when hung in the derrick ready to go downhole, they were marked "bad" and the back-up tool run instead. Actual calibration was done at the workshop in a specially magnetically-mapped area of the pipe yard, where welders (and lorries) were not allowed.

[@robinvince616]

Surely any ferrous item, magnetized or not, will affect a compass needle, simply because the needle itself is a magnet? Just a SINGLE magnet is sufficient to cause some attraction when the two items are close enough.

[@a.karley4672]

@@robinvince616 Well, to a degree. But the magnetic susceptibility of ferrous metals varies a lot. It's not just chemistry - grain size (and so, working history, forging, cold-working and annealing) affects it a lot. In practice though - the scrap yard uses a dirty great electromagnet to make two piles of metal : ferrous and non-ferrous. A lot (not all!) of "stainless" steel compositions have low susceptibility. It can be quite obvious in a dish of rock cuttings, steel shavings from "mild" steel drill pipe against "mild" steel steel line, and stainless steel or monel metal from the drilling electronics packages. Some metal shavings will waggle under the magnet, while their neighbour sits immobile, glistening and metallic.

[@JulianSortland]

Not a lot of radiators at low altitudes in much of Australia.

[@ehsnils]

Now the question is also if the radiator is magnetized over time or if it's unintentionally magnetized at manufacturing.

[@michaelme4028]

Maybe it could accept some magnetism over the years due to temperature changes while being exposed to the earth magnetic field.

[@StubbyPhillips]

Dude! You clearly understand the value of actual SPEAKERS! (And all those little tabletop gadgets don't count.) All these people with only earbuds or headphones these days... so sad.

[@andreasu.3546]

Still a rather interesting assortment of different subwoofers.

[@PaulSamps-gf6yz]

Tell me please, what is the correlation between magnetism and gravity?

[@n-steam]

there's a nobel prize waiting for anyone who can answer that question...

[@filonin2]

None.

[@Nonononono_Ohno]

Gravity is what makes the magnet fall down when you drop it.

[@PaulSamps-gf6yz]

@@Nonononono_Ohno and what causes gravity?

[@mikereilly2745]

That is a fantastic question. There is no known answer at this time. I have thought about that for 45 years. Gravity is not understood. Magnetism is explained to a point . I have spent my life studying magnetism , In 2011 I wrote a scientific paper and presented it to Dr Michio Kaku in person. My Opinion= The field that surrounds a magnet is ... light. My paper is on a new type of magnet , I call , Semi degenerate matter magnets.

[@petergerdes1094]

In your calc of the strength it looks like you used .1 rather than .01. I can't imagine it makes a difference though.

[@jamesbrewer3020]

nice

[@BionicleFreek99]

So, if the magnetic field of earth is so strong and magnetic fields can make ferrous metal magnetic, why isn't every nut and bolt and piece of steel on earth strongly magnetic?

[@thesentientneuron6550]

Good Brick

[@shanieboi86]

Lol radiators on the equator, its quite warm in the middle, might be hard to find

[@Quickened1]

Let's not forget your magnetic personality affecting the readings...

[@gorak9000]

I don't think they have a lot of radiators at the equator - they mostly have air conditioners, not heating

[@fiskurtjorn]

I see IG Nobel potential here.

[@3D_Printing]

Earth's magnetic field about to flip, it is moving

[@Tahoza]

"Good brick".

[@trevorabbott3907]

not many radiators on the equator

[@yellads]

Looks like someone is replacing LEDs in a TV?

[@IIronyy]

Thank you for the great video brainiac

[@TOILETDUMPER]

😊

[@AlucardNoir]

Where I live we only got 1 day of snowfall last year. And it had all melted before 24 had passed. Enjoy that snow while you still have it. With climate change being what it is, you might not get to enjoy it for much longer.

[@andrievbastichy8551]

"good brick"

[@Kargoneth]

I don't have radiators in my house.

[@SystemsPlanet]

The Earth is not what you think it is. Why do we see too far? We can see beyond the supposed curve.

[@Pans_Shadow]

If the earths magnetic field fails, then all magnets on earth won’t work.

[@gianluca458]

Kid: Mommy, can you buy be a monster magnet? Mom: But we already have a monster magnet at home. The monster magnet at home:

[@SproutyPottedPlant]

Wow! That’s the first time I’ve ever heard that 😅

[@graealex]

Most Americans probably: what's a radiator?

[@gingermanc]

Ha, my house was struck by lightning, and my girlfriend / fiancé was attracted to me before this event. But very soon after she became repulsed by me. Sad times ! I was hit by sparks from an exploding apple airport, she was deafened temporarily by the gas fire being blown off the chimney breast. Our poles might have been flipped ( or at least one of them ). I remember feeling something about 20 seconds before it struck. I shouted - unplug everything ! We ran around doing that and sure enough it struck. Our computers were saved, but the aerial connected to the cable box, to the cable cabinet at the end of the street, which then came back up the street and killed all the street’s computers and cable boxes ( those that had cable ). Wild ! I was about to video the lightning strikes when I felt the weird feeling that made me drop the camera and scream, “unplug everything!”. Probably we were lucky not to be unplugging things at the moment lightning struck !

[@thetechfury]

That looks really neat. Magnetic radiators.

[@j0hnny_R3db34rd]

Using the weather as a piss poor excuse to do bad science FTW.

[@Icy_Wresth]

Hey, it would be interesting if you made a video about wireless energy

[@a.karley4672]

You can read what you need to know in the "peak radiated power" figure (milliwatts or watts) on your wireless device. Compare that to your microwave oven (typically 500~1000 watts). Argument over. Or, get rid of the microwave, if you're really worried.

[@OSrBurns]

People around the equator have no reason to have radiators 😂

[@a.karley4672]

Never been to Kilmanjaro?

[@OSrBurns]

@@a.karley4672 I have no money for international trips

[@a.karley4672]

@@OSrBurns Look at a picture : Kilmanjaro (and Chimborazo, and the Karstenz Pyramid on New Guinea), on the equator has permanent glaciers. The surrounding highlands get plenty cold enough.

[@NyznTvfk]

Freaks after watching this video: "radiators in our houses are cancerous you must get rid of them" 😂😂😂😂😂😂😂

[@ellyotlaflamme8695]

my radiator is electric

[@a.karley4672]

The frame is probably still spot-welded together - for stiffness. The decorative panels will then be either riveted or screwed (if field-serviceable) to that internal frame. I took mine apart to re-paint (high temperature paint!) when I moved in.

[@tiredironrepair]

Earth is demonstrably not a sphere. Time to incorporate reality into science.

[@draftymamchak]

You are right, the Earth is not a perfect sphere, is is still round however and definitely not flat.

[@Nonononono_Ohno]

@@draftymamchak Yes. As a rough approximation, it's an ellipsoid. But I don't think this is what the tired iron repairing scientist wants to hear.

[@tiredironrepair]

@@draftymamchak I can guarantee that the evidence proving it level and the impossibility of a spinning globe you have never examined. Look into it. Eric Dubay is a great place to start. If you can accept that you could have been lied to and possibly fooled.

[@a.karley4672]

The difference is under 1% of measurement. So, the Earth's polar diameter is about 6357 km and the equatorial diameter about 6378 km, (I memorised a mean value of 6371km at school, since we were deliberately throwing "miles" aside.) That's a difference of 21km on a measurement of "6371", so actually closer to 1/3 of a percent. If you use that to complain about the inaccuracy of a globe which is nominally "350mm" in diameter, and if *I* were dealing with your complaint, I would compose a "Correction procedure" specifying you hit the globe with a hammer (weighing between 1.257 and 1.269 kg ; no others are acceptable) travelling at 0.258 to 0.256 m/s on a vector within 0.01 radians of the globe's nominal "polar" axis. Then leave you with the engineering problems of getting your globe into compliance. But a lawyer would probably reply to your complaint with a photo of the packaging where the dimensions are clearly described as "approx. 350mm". Do try to keep up with the roaring science of the 1720s (to 1740s), when this measurement was first made (and found to be in agreement with predictions from Newtons 1670-odd hypotheses concerning gravitation. While you're at it, look at the circumference of the globe being quite close (depending on direction) to 40,000km, and wonder if that is entirely accidental.

[@a.karley4672]

@@Nonononono_Ohno I suspect a closet-flat Earther, and replied in kind. I remember reading Satsumo (spelling?) Ohno's description of the "frame reading error" in a particular bacterium, which gave it the ability to metabolise, then catabolise 6-carbon molecules in a nylon manufacturing plant's waste-water treatment plant. Is that your family name, or chosen for some other reason?

[@connormartin9644]

CAUGHT AN UPLOAD IN 7 MINUTES

[@brainiac75]

Yep, thanks for the early watch :D

[@Outdoorballisticsyt]

3 min ago?

[@brainiac75]

Yep, you're here really early ;) Thanks!

[@schmidmarcel1001]

69

[@koshan12]

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