Foto de Rachel Adams

Mirrors are polished surfaces that reflect the image projected on them.  It is a technology that the ancient Egyptians and Greeks already knew and that has evolved over time. Today the majority of the population carries a pocket mirror that also allows immortalizing the images that come to it in the form of an auto-photo. In addition, modern mirrors reflect multiple variables and information of their owner. They measure his steps and the distance he travels, his activity pattern, his movements, his level of communication. They can measure the sleep/wakefulness rhythm and give a report on the quality of sleep and if we connect some specific gadget they can measure blood pressure, blood sugar and even do an electrocardiogram.
People love to know what their weight is, what their blood pressure is, what their biochemical and analytical parameters are. We love check-ups, medical imaging tests and anything that provides information about ourselves. We are a curious species. That's why biometrics has always been big business. Technological companies know this. For example, Apple's new intelligent smart watch make a reduced electrocardiogram of one derivation in a minute. It is a technology that already existed, very easy to use. Years ago I tested the application of Alivecor and effectively with two electrodes connected by bluetooth to the mobile phone gets to make a strip in derivation II capable of detecting sinus rhythm or atrial fibrillation....