Neodymium: How this supermagnet almost started a trade war
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- Опубликовано: 16 май 2024
- Ever heard of Neodymium? It’s one of the most essential elements that nobody talks about. Without it, our EV wouldn’t drive, our phones wouldn’t work and our wind turbines wouldn’t generate energy. This is a story of a rare earth metal that has many countries scrambling.
#planeta #elemental #neodymium
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Credits:
Reporter: Kiyo Dörrer
Video Editor: Frederik Willmann
Camera: Neven Hillebrands
Supervising Editor: Michael Trobridge
Fact-Check: Kirsten Funck
Thumbnail: Em Chabridon
Read more:
History and future of rare earth elements www.sciencehistory.org/educat...
Rare earth statistics and information, U.S. Geological Survey www.usgs.gov/centers/national...
Study on recyclability of Neodymium magnets, Prodius, Gandha, Mudring & Nlebedim 2020 pubs.acs.org/doi/abs/10.1021/...
Study on replacing Neodymium magnets with ferrite magnets, Baghel, Nlebedim 2023 link.springer.com/article/10....
Chapters:
0:00 Intro
0:55 What is neodymium?
1:58 The game-changing supermagnet
3:00 Why do we need magnets?
5:53 Geostrategic importance
7:57 Can we replace neodymium?
8:48 Recycling rare earths
Did you know about neodymium? Which element should we tackle next?
Something similar. This is the first time I heard about this rare Earth element and it's fascinating.
the 5th element
I didn't know Nd. I wonder if it could be used in cooling applications?
Hey there! Yes, it is for example already used in cryocoolers.
Unobtainium!
For a second I thought the reason the boats crashed at the start was because they were both carrying neodymium magnets 😂
😂😂😂
How about not mixing in music louder than the narrator?
Hey there! Thanks for your feedback ✨
How about asking politely..
@@somerandomfella How about a global TV company knowing about basic audio engineering?
Just right for me, I like the set up
😂
Nice watching Kiyo again in Planet A weekly reports! 😊
Hey Roberto! Glad you like our videos and reporter ✨ Make sure you subscribe to our channel to not miss a video 😊
Neodymium is crazy strong! I saw a video where a guy showed a strong enough one suspended his whole body weight in midair!
oh reaaaaallyyyyyyy?? ain't that just the way
Yes I have some of them if you have a old hard drive you will find some in it.
Thank you Kiyo for not speaking "Fry" or "Uptalk"!
Kiyo has an extremely pleasant speaking style.
I casually opened our old hardrives for these magnets😂😂😂
Very useful informations thank you❤🎉
Glad it was helpful. You should also subscribe to our channel for new environment related videos every Friday! 🌞
I wanted to watch the program but it was almost impossible to listen to the commentary due to the ridiculously loud music in the background
10:00 You want some shake with that vocal fry?
+400% is quintupling.
it is actually quite easy to demagnetize neodymium magnets. just get them real hot. Poof no more magnet.
Or any other "permanent" magnet.
getting them hot, you are literally changing their chemistry
@@oksowhat nope. you are allowing the tightly aligned metal crystals to randomize. neodymium magnets can be re-magnitized with the right electronic equipment.
wearing a heart monitor was a fun one because I had to hold everything with a magnet in it far away from my body. I couldn't use a microwave or headphones etc. however I feel lucky because I don't need an implant. I walked through an isle containing craft magnets though when simulating day to day stress tho that was funny
I learned a lot by watching this video. Thank you!
There are a lot of motors and generators which don't need any magnet. Indeed you can create even stronger magnetic fields with electricity. Howerver neodymium magnet are cheap enough to still be used.
👍👍👍
More battery technology videos please
🙌We take your wish into account. In the meantime, did you already watch these videos from us?
🔋 "How salt and sand could replace lithium batteries"
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🔋 "Why our future depends on lithium"
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🔋 "Can you recycle an old EV battery?"
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I have these inside my Rubik's cube
As a physics student in the 1960s I knew of Cobalt-Samarium magnets. How do they compare with Neodymium magnets?
Sm-Co (BH)max[MGOe] about 35 (BH)max[kJm-3] about 240 NdFeB about 55 and 440 respectively. FeN ( theoretical ) roughly ×2 of strongest NdFeB
Neodymium magnets have exceptional strength, but some limitations to their temperature stability and corrosion resistance. Cobalt-Samarium magnets are especially relevant when higher temperature resistance is critical. 🔥
Don’t these super strong magnets also power things like high speed rail such as maglev tech?
Nope! For maglev regular magnets (even rare Earth's ones) are not strong enough, you need super conductors, which are made from crazy alloys and cooled down to cooler than liquid nitrogen.
We use the same technology on the CT scanners, they use an alloy that is cooled to 2 degrees above absolute zero using liquid helium so they can generate a magnetic field SUPER strong so they can read the electric currents inside your head and create a 3D map
Hey there! For maglev trains, either electromagnets are used but also rare earth permanent magnets such as neodymium iron boron permanent magnets.
Good remember magnet is a specific iron oxide with three oxygen and two iron, Fe2O3, different from the commun rust, a simple iron corrosion, FeO, but with a big property difference like useful magnetism and useless rust. I mean in chemistry, only a little difference like numbers of atoms in a molecule is enough for a great difference of property like neodymiun magnet alloy....
The reason is another universe mystery, but intelligent being can notice this natural properties to improve in better artificial properties like metamaterials, nanotechnology and superconductors....
We could run electric generator using sea water. India has the capability to do that. But it is kept secret.Moreover India has the crude oil reserve for another 100 years. That is also kept secret. All secrets are kept in kalpakkam nuclear power plant. It is another area 51 of India.
Seems like really interesting content, but that "music" is too loud and too distracting. Why is it there at all?
My favourite material! I attach neodymium hooks to the side of my fridge. They save a lot of space in my kitchen and improve its aesthetic.
Just what we need eh
So why was there such an approar about the collided boats...? I thought I watched the video attentively to uncover this mystery...
Because this seemingly small incidents started a price surge for rare earth elements after China was no longer exporting them. ⛴
You guys create good content, Time Stamp 0:19 please correct china's map; Ladakh, Sikkim and Arunachal are integral part of Bharat (India). Its just wont give more piece of Land to China. They have already taken the Aksai Chin forcefully.
You would have to have lived in a cave all your life not to have heard of neodymium.
We are all science nerds here please dont mix us whith musicians ....🙏 low low down the MUSAK 🙏 Thank you 😊❤
Hey Simona! Thank you for your feedback :)
@@DWPlanetA its " Simon AC " Thanks for the great content 👍🌲👍
hey guys what would happen if someone used the sea cucumber DNA and the millipede DNA to fill in the gaps of there genomes
Neodymium is not that rare. But mining and refining it is very environmentally damaging and toxic. Environment regulation of China is very weak, so China can dominate the world neodymium market. Such mining are expensive in other nations due to strict environmental regulation.
Stop saying "arguably" - it is a meaningless modifier that means no one agrees
Oo
East China Sea... Haha yeah sure.
wakanda 4ever
So acording to trump dont drop the magnets in water cause they stop working!!!!
😂😂😂😂😂😂
Humans will finish off all life on this planet.
Then, perhaps your smug and awfully triumphant outlook towards "science and technology" - will slip a little.
Tesla car doesn’t use rare earth elements in their motors. Reluctance bldc motors.
MP MATERIALS.
LYNAS RARE EARTHS LIMITED
Your welcome