Researchers develop magnetic spray that turns ordinary objects into miniature robots TechSpot

The coating, called M-spray, is less than a quarter of a millimeter thick and is comprised of gluten, polyvinyl alcohol and iron particles. It can stick to textured and smooth surfaces alike, can be redistributed after the fact for improved application flexibility and can even be dissolved on command.





from TechSpot https://ift.tt/371FQOH