Stanford Medicine researchers invent an electromagnetic device that can gently sort different types of cells by levitating them to different heights. It looks like a magic trick: Cells at the bottom ...

It looks like a magic trick: Cells at the bottom of a liquid medium begin levitating, then hovering at a particular height. With no physical contact, an invisible force directs certain cells to float ...

Recently, I finished another simple version of my electromagnetic levitation demo device that levitates a small object under an electromagnet. What makes it different from my earlier model is the ...