{"title":"How to levitate a lightbulb","authors":"Hollis Williams","doi":"10.1088/1361-6552/ad559e","DOIUrl":null,"url":null,"abstract":"There exist many magnetic levitation toys, most of which use spin-stabilised levitation. A more recent demonstration features a levitating lightbulb which is made to float in the air and light up by magnetic forces. We study the workings of the lightbulb and explain how it operates via a different type of levitation known as electrodynamic suspension. We also examine the stability of the device, showing that levitation can be maintained even if the bulb is prevented from rotating.","PeriodicalId":39773,"journal":{"name":"Physics Education","volume":"46 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physics Education","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1088/1361-6552/ad559e","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Social Sciences","Score":null,"Total":0}
引用次数: 0
Abstract
There exist many magnetic levitation toys, most of which use spin-stabilised levitation. A more recent demonstration features a levitating lightbulb which is made to float in the air and light up by magnetic forces. We study the workings of the lightbulb and explain how it operates via a different type of levitation known as electrodynamic suspension. We also examine the stability of the device, showing that levitation can be maintained even if the bulb is prevented from rotating.
期刊介绍：
Physics Education seeks to serve the physics teaching community and we welcome contributions from teachers. We seek to support the teaching of physics to students aged 11 up to introductory undergraduate level. We aim to provide professional development and support for teachers of physics around the world by providing: a forum for practising teachers to make an active contribution to the physics teaching community; knowledge updates in physics, educational research and relevant wider curriculum developments; and strategies for teaching and classroom management that will engage and motivate students.
京公网安备 11010802042870号
京ICP备2023020795号-1
分享
求助内容：
应助结果提醒方式：
扫码关注我们
