{"product":{"product_id":"B000UV6ZPS","title":"CMS MAGNETICS - Magnetochromic and Monochromic Magnetic Flux Viewing Film for Revealing Hidden Magnetic Field Patterns in Ceramic and Neodymium Magnets, STEM Education Research Projects in Magnetism","price":"11.99","image_url":"https://m.media-amazon.com/images/I/41hY5qOSfJL._SL500_.jpg","url":"https://www.amazon.com/dp/B000UV6ZPS"},"comments":[{"body":"I believe it's a bunch of tiny iron filings suspended in some sort of oil, squished between two sheets of plastic. The iron moves in relation to the magnetic field, letting you visualize magnetic field lines. \r\n\r\n[They're pretty cheap on Amazon.](https://www.amazon.com/CMS-Magnetics-Green-Magnetic-Viewing/dp/B000UV6ZPS/ref=mp_s_a_1_1?ie=UTF8\u0026amp;qid=1534993128\u0026amp;sr=8-1\u0026amp;pi=AC_SX236_SY340_FMwebp_QL65\u0026amp;keywords=magnetic+field+viewer\u0026amp;dpPl=1\u0026amp;dpID=310NsGg26SL\u0026amp;ref=plSrch)","subreddit_name":"physicsgifs","author":"Large_Dr_Pepper"},{"body":"This isn't X-Rays, it's magnetic viewing film. You can buy it on amazon for around $10 [here](https://www.amazon.com/Magnetics-Green-Magnetic-Field-Viewing/dp/B000UV6ZPS/ref=pd_lpo_vtph_328_bs_tr_t_1?_encoding=UTF8\u0026amp;psc=1\u0026amp;refRID=4K1F81QQ2M9HT2VSY4S9)","subreddit_name":"oddlysatisfying","author":"alpieduh"},{"body":"I strongly suggest you pick up some [magnetic test paper.](https://www.amazon.com/CMS-MAGNETICS-Magnetism-Applicable-Including/dp/B000UV6ZPS/ref=sr_1_2?crid=2J2A7PKRDTYIC\u0026amp;keywords=magnetic+test+paper\u0026amp;qid=1641574860\u0026amp;sprefix=magnetic+test+paper%2Caps%2C103\u0026amp;sr=8-2)  It is a cheap and a lot of fun.","subreddit_name":"daddit","author":"beaushaw"},{"body":"I DIY’d a vertical magnetic wireless iPhone charger for my wall. \r\n\r\nIn my case, I used a [magnetic viewing film](https://www.amazon.com/CMS-MAGNETICS-Magnetism-Applicable-Including/dp/B000UV6ZPS) on my Pitaka MagEz Wireless Charger and some translucent paper to mark where the magnets were. \r\n\r\nThen I took apart my cheap wireless charger, and placed tiny neodymium magnets inside the plastic cover. \r\n\r\nYou can do the same, just use the magnetic viewing film on the iPhone 12. Test it out to make sure you’ve oriented the magnets correctly before you make any permanent changes to your wireless charger. \r\n\r\nIt‘a pretty easy, and it’s super convenient to just slap my phone on the wall next to my bed every night.","subreddit_name":"iphone","author":"theirishrepublican"},{"body":"I found some for $9 on [Amazon](https://www.amazon.com/dp/B000UV6ZPS/ref=cm_sw_r_cp_dp_T2_pQlFzbP1FHQ44) This would have been cool to see in science class.","subreddit_name":"interestingasfuck","author":"Stpehen1"},{"body":"I agree that the price seems pretty cheap for something that I assume could be reused an unlimited number of times.\r\n\r\nActually it looks like amazon has it for a little cheaper, even:\r\n\r\n[https://www.amazon.com/Magnetics-Green-Magnetic-Field-Viewing/dp/B000UV6ZPS/ref=sr\\_1\\_3?ie=UTF8\u0026amp;qid=1543848964\u0026amp;sr=8-3\u0026amp;keywords=magnetic+viewing+film](https://www.amazon.com/Magnetics-Green-Magnetic-Field-Viewing/dp/B000UV6ZPS/ref=sr_1_3?ie=UTF8\u0026amp;qid=1543848964\u0026amp;sr=8-3\u0026amp;keywords=magnetic+viewing+film)","subreddit_name":"gifs","author":"unvaluablespace"},{"body":"[CMS Magnetics® 4\" x 6\" Green Magnetic Field Viewing Film on Amazon UK](https://www.amazon.co.uk/CMS-Magnetics%C3%82%C2%AE-Green-Magnetic-Viewing/dp/B000UV6ZPS) ","subreddit_name":"mkbhd","author":"vivimagic"},{"body":"You can get magnetic film from Amazon and it will show you where the magnets are. [Link](https://www.amazon.com/dp/B000UV6ZPS/ref=cm_sw_r_oth_api_glc_fabc_2-E7FbC7KS48A?_encoding=UTF8\u0026amp;psc=1)","subreddit_name":"iPadPro","author":"monstercar"},{"body":"[Magnetic Viewing Film](https://www.amazon.com/Magnetics-Green-Magnetic-Field-Viewing/dp/B000UV6ZPS)","subreddit_name":"specializedtools","author":"Icy_Cantaloupe"},{"body":"https://smile.amazon.com/Magnetics-Green-Magnetic-Field-Viewing/dp/B000UV6ZPS\r\n\r\nI have some, it's pretty cool!","subreddit_name":"ipad","author":"[deleted]"},{"body":"[Found it](https://smile.amazon.com/Magnetics-Green-Magnetic-Field-Viewing/dp/B000UV6ZPS/).","subreddit_name":"gifs","author":"ChaiTRex"},{"body":"[Found here on amazon](https://www.amazon.com/dp/B000UV6ZPS/ref=cm_sw_r_cp_apa_i_AxxbCb6RE6F7Z)","subreddit_name":"gifs","author":"dylwalk"},{"body":"They sell it on amazon. \"magnetic field viewing film\" https://www.amazon.com/Magnetics-Green-Magnetic-Field-Viewing/dp/B000UV6ZPS","subreddit_name":"techsupportmacgyver","author":"joshu"},{"body":"Here's. The link for anyone https://www.amazon.com/gp/product/B000UV6ZPS/ref=as_li_ss_tl?ie=UTF8\u0026amp;psc=1\u0026amp;linkCode=sl1\u0026amp;tag=m0494a-20\u0026amp;linkId=854952cfbd8f0399f224d4eaced910b9\u0026amp;language=en_US","subreddit_name":"blackmagicfuckery","author":"MalmiAviation"},{"body":"That's an interesting thought... kind of curious to see what it would do. I think you'd only run into issues very close to or on top of a magnet. If it were me, I would try positioning your prints in a part of the bed with the least magnets-- they are around the edge and a few in the middle. [Study the pics here](http://manual.prusa3d.com/Guide/7.+Heatbed++%26+PSU+assembly+%28spiral+wrap%29/512?lang=en#s9482) or get yourself a piece of [magnetic viewing film](https://www.amazon.com/CMS-Magnetics-Green-Magnetic-Viewing/dp/B000UV6ZPS) to make it easier to see where those spots are.","subreddit_name":"3Dprinting","author":"jmdbcool"}]}