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Energy-saving solar-powered clothing

20.12.2023

With increasing temperatures on the planet and environmental challenges, people are faced not only with the need to adapt to a changing climate, but also to ensure biological safety in conditions of elevated temperatures. One innovative approach is the creation of solar-powered smart clothing, which scientists say can function as a personal air conditioner (or heater, if necessary).

Innovative technologies in the field of energy-saving clothing that use solar panels for thermoregulation are opening up new prospects for providing comfort in a changing climate. Systems developed by scientists that can regulate body temperature using solar energy provide an effective and convenient way to maintain biological safety in conditions of elevated temperatures. Further development and industrialization of such technologies could make them accessible to a wider range of consumers, reducing dependence on traditional temperature control methods and promoting resilience to climate change.

To ensure the comfort and safety of the human body, it is important to maintain a certain temperature regime. However, with the planet's rising temperatures and the cold regions at the poles, creating clothing that can regulate temperature has become essential. Scientists have developed an innovative thermoregulation system for clothing that combines an organic photovoltaic module and bidirectional electrocaloric devices to provide cooling or heating.

Both components are not only flexible and suitable for use in clothing, but are also powered by sunlight, eliminating the need for external power sources. The developed clothing is designed to expand the thermal comfort zone from 22° - 28°C to 12,5° - 37,6°C.

The efficiency of the device is sufficient to provide 24 hours of operation after 12 hours of charging in sunlight. In addition, it has a simple structure, compact design and can be integrated into existing clothing.

Perhaps the future will bring universal thermoregulation technologies that are not limited to just power supply, and can even support the operation of electronic devices in special conditions.

With the increase in temperature on the planet, clothing with cooling systems is becoming more and more in demand. Over the summer, reports emerged that global companies were providing cooling vests to their outdoor workers. New technologies also include vests with built-in water pumps, made from breathable fabrics, and even built-in fans.

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Minimizing the harm from sleep deprivation 18.05.2023

Researchers at the Guangzhou Medical University (China) have found a way to reduce the negative effects of lack of sleep. They concluded that the risk of early death caused by lack of sleep can be reduced through exercise.

Scientists analyzed data from 92 people aged 40 to 73 who were asked to wear an accelerometer bracelet. During the seven years that the experiment lasted, 3080 participants died - 1074 people died from cardiovascular diseases and 1871 from cancer.

The subjects were divided into three categories according to the duration of sleep - short (less than six hours), normal (from six to eight hours) or long (more than eight hours), as well as the level of physical activity - low, medium and high. Also, the intensity of sports activities was taken into account - from moderate to intense.

The findings were adjusted for age, gender, ethnicity, deprivation, educational level, body mass index, diet, bad habits, and work schedule. As a result, it was found that playing sports neutralize the negative effects of too short or too long sleep.

It is noted that in subjects with a low level of activity, short and long sleep correlated with an increase in the risk of death from all causes by 16 and 37 percent, respectively. People who had an average level of physical activity suffered only in case of lack of sleep (a 41% increase in premature death), and in people who were actively involved in sports, the relationship between early death and sleep duration was not found.

At the same time, people with short sleep and low activity had a 69% increased risk of cardiovascular diseases and death from them, and those who slept for a long time, but also neglected sports, had a 21% increase in the probability of dying from cancer. At the same time, in both cases, with moderate or high sports activity, the risks completely disappeared.

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