Infrared- and laser systems make it possible to observe bodily functions remotely.

Therminal image systems can detect some cancers. The cancer tissue is a little bit warmer than other tissues. And that means some cancers like skin and breast cancers can be seen remotely by using infrared systems, and that thing would be healthier than using the X-ray systems.

Maybe the infrared systems cannot detect cancer very accurately, but they can help to find people who should go to cancer tests. The infrared systems can easily measure body temperature from long distances. So the infrared systems can detect people who have fewer from large groups of people very easily.

Measuring the body temperature of people remotely is quite easy. The same infrared thermometers that plumbers are using can use to measure the body temperature of people. That kind of infrared system can help to keep safe distances between patients and medical staff in a time of epidemics. Those kinds of systems are allowing to keep people safe against viruses and bacteria.

When rescue crews are coming to the places after massive disasters. Finding living persons is extremely important because the aid must focus on living people. At the moment of the large-scale accidents, there are so few rescue operators for large groups of people. Focusing the aid on the right people is the most important thing at that moment.

There is no time to waste helping people who are not injured or who are dead and who cannot help anymore. There should be systems that can detect if the person is living remotely. The system can use infrared cameras and lasers for searching if the heart of the person is pumping.

The infrared camera sees if the person is warm. And the laser can measure if the victim's heart is acting by following the movements of the chest. The laser can measure the pulse in veins by following the movements of the skin. And even if that kind of system is not suitable for accident situations. It can use to measure the pulse remotely. These kinds of things are more hygienic than the regular stethoscopes.

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