Scientists from the University of Washington are developing a material that can be used as a fabric for tailoring clothes and at the same time as a data storage device. The main goal is to look for ways to abandon fragile and volatile electronics for identity identification and access to various everyday objects and services.
The prototype of the tissue contains areas that can be magnetized by external influences and the magnetic field around them persists for a long time without any support. Such a fabric can be crushed, ironed, washed and heated without the risk of losing data. And you only need a smartphone with a magnetometer to read the recorded information.
In fairness – when you wear clothes from smart cloth, the magnetic field charge is lost very quickly , up to 30% of the initial level during the week. But the residual tension is fixed after several months of operation. Plus the information is easy to re-write using the simplest and cheapest equipment – magnetic data carriers have been used for almost a century.
Prospects for development are contradictory, the only unquestionable advantage of clever fabric is that it is much cheaper than RFID tags. The reader for them should work in a specific frequency range and can cost tens of thousands of dollars. At the same time, the price of the magnetometer integrated into the smartphone case is $ 0.78. And the cost of writing a single password on a kerchief or sleeve is estimated at $ 0.17. It’s even cheaper than a set of conventional keys for a padlock.