Magnetic Device Lets Smartphones Test Your Blood

Smartphones equipped with portable devices that magnetically levitate cells might one day help diagnose diseases in the home, clinic or lab, researchers say. Nowadays, smartphones are incredibly powerful portable computers that include handy devices such as multimegapixel cameras, and they can be found in both developing and developed countries. Increasingly, researchers are exploring ways for smartphones to be used not only for posting selfies and playing video games, but also to help save live