The 16 Most Asked Questions About Magnets

Magnets - how DO they work? We've got the answer for you, plus a bunch of weird fun magnet facts - where they got their names, why hitting some stuff with a hammer can turn it into magnets, and even why we feed magnets to cows, on purpose. Hosted by: Savannah Geary (they/them) ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Alex Hackman, Ash, Benjamin Carleski, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, DrakoEsper, Eric Jensen, Friso, Garrett Galloway, Harrison Mills, J. Copen, Jaap Westera, Jason A Saslow, Jeffrey Mckishen, Jeremy Mattern, Kenny Wilson, Kevin Bealer, Kevin Knupp, Lyndsay Brown, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly ---------- Sources: https://geology.com/minerals/magnetite.shtml https://byjus.com/jee/ferromagnetic-materials/ https://www.moleymagneticsinc.com/a-comprehensive-list-of-ferromagnetic-materials/ https://www.eia.gov/energyexplained/electricity/magnets-and-electricity.php https://www.physicsforums.com/threads/stability-of-paired-vs-unpaired-electrons.448541/ https://bit.ly/3xlYaTv https://nationalmaglab.org/magnet-academy/read-science-stories/science-simplified/magnets-from-mini-to-mighty/ https://commons.princeton.edu/josephhenry/permanent-magnet/ https://education.jlab.org/qa/permmagnet_03.html#:~:text=You%20can%20think%20of%20a,poles%20of%20the%20smaller%20pieces. https://van.physics.illinois.edu/ask/listing/436 https://bit.ly/4cKuC1Y https://appliedmagnets.com/strong-neodymium-magnets-c-1/ https://bit.ly/3U5TsCg https://nationalmaglab.org/about-the-maglab/around-the-lab/maglab-dictionary/pulsed-magnet/ https://bit.ly/49lKmFL https://bit.ly/3vESjIw https://bit.ly/3J5syEn https://scmr.org/page/MagneticField#:~:text=For%20comparison%2C%20a%20typical%20MRI,than%20a%20typical%20fridge%20magnet. https://nationalmaglab.org/magnet-academy/plan-a-lesson/demagnetizing/ https://www.bunting-berkhamsted.com/magnets-and-the-curie-temperature/ https://bit.ly/49Ghvwl https://flexbooks.ck12.org/cbook/ck-12-middle-school-physical-science-flexbook-2.0/section/22.4/primary/lesson/electromagnet-ms-ps/ https://www.lsop.colostate.edu/2016/03/11/get-your-science-on-horseshoe-magnet/ https://nedest.com/can-magnets-destroy-hard-drives https://bit.ly/3VNTSyC https://solarschools.net/knowledge-bank/energy/electricity/magnets https://extension.missouri.edu/publications/g7700 https://www.hopkinsmedicine.org/health/treatment-tests-and-therapies/magnetic-resonance-imaging-mri#:~:text=Magnetic%20resonance%20imaging%2C%20or%20MRI,large%20magnet%20and%20radio%20waves. https://www.mayoclinic.org/tests-procedures/mri/about/pac-20384768 https://www.nccih.nih.gov/health/magnets-for-pain-what-you-need-to-know#:~:text=Magnetic%20therapy%20using%20static%20magnets,near%20where%20pain%20is%20felt https://news.mit.edu/2020/origins-earth-magnetic-field-mystery-0408 https://www.livescience.com/32633-how-do-magnets-work.html https://www.energy.gov/articles/how-maglev-works https://nationalmaglab.org/about-the-maglab/around-the-lab/maglab-dictionary/hybrid-magnet/ Images: https://www.gettyimages.com/ https://javalab.org/en/magnetization_en/ https://commons.wikimedia.org/wiki/File:Cobalt-sample.jpg https://commons.wikimedia.org/wiki/File:Chunks_of_metallic_neodymium.jpg https://commons.wikimedia.org/wiki/File:Lodestone_(black).jpg https://commons.wikimedia.org/wiki/File:Elektronlar-spinlarining-yo%27nalishlari.png https://commons.wikimedia.org/wiki/File:Growing-magnetic-domains.svg https://commons.wikimedia.org/wiki/File:Lodestone_(Magnet_Cove_Complex,_mid-Cretaceous,_96-102_Ma;_Magnet_Cove,_Arkansas,_USA)_4.jpg https://commons.wikimedia.org/wiki/File:Magnetite_Lodestone.jpg https://www.nature.com/articles/s41598-020-73581-4 https://www.nsf.gov/news/mmg/mmg_disp.jsp?med_id=133740&from=mn https://commons.wikimedia.org/wiki/File:CowMagnet.jpg https://www.youtube.com/watch?v=1CGzk-nV06g&ab_channel=NIBIBgov https://commons.wikimedia.org/wiki/File:Syndrome_de_Joubert_IRM_PAMJ-22-127-g001.jpg https://commons.wikimedia.org/wiki/File:Neuro-ms.png https://commons.wikimedia.org/wiki/File:Quartz-pebble_metaconglomerate_(Jack_Hills_Quartzite,_Archean,_2.65_to_3.05_Ga;_Jack_Hills,_Western_Australia)_2.jpg https://commons.wikimedia.org/wiki/File:A_maglev_train_coming_out,_Pudong_International_Airport,_Shanghai.jpg