Magnetic levitation shows promise for manufacturing
![nylon screw being magnetically levitated](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/08/whitesides_free.png?fit=840%2C460&ssl=1)
A nylon screw and other objects can be rotated and reoriented when placed in a magnetic liquid and manipulated with two external magnets.
George M. Whitesides Group, Harvard/YouTube
A nylon screw and other objects can be rotated and reoriented when placed in a magnetic liquid and manipulated with two external magnets.
George M. Whitesides Group, Harvard/YouTube