Visualization 1: Ultralong time response of magnetic fluid based on fiber-optic evanescent field DuBobo YangDexing BaiYang YuanYuan XuJian JiangYajun WangMeirong 2016 Video of the long time falling process and short time rising process of MF’s motions with/without applied magnetic field. Originally published in Applied Optics on 20 July 2016 (ao-55-21-5585)