Simple machine may pave the way for more powerful cell phones and WiFi

https://techxplore.com/news/2022-10-simple-machine-pave-powerful-cell.html

"move objects by changing the cross-section trapping channels... attached microscopic fibers to floats... fibers twisted around each other.... crossed two fibers using plastic, a water tank, and stage moves up and down... added third float wit fiber and channels to move floats in braiding pattern... like three-strand hair braid, except each fiber 10X smaller than human hair... floats microscopic.... trap and move colloidal particles 10 micrometers in size... forces gentle grab tiny objects, even with machine big to fit in hand"