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When talking about energy efficiency in buildings, it is inevitable to mention thermal insulation. We rarely see it in a finished building and, even in the technical drawings, the insulating layer appears as a thin hatch. But this is an element that is of vital importance, as it acts as a barrier to the flow of heat, hindering the exchange of energy between the interior and the exterior, reducing the amount of heat that escapes in winter and the thermal energy that enters in the summer. In a building with good thermal insulation, there is less need for heating to keep the house at a pleasant temperature, also reducing its carbon footprint. Currently, there are many countries that require a minimum level of thermal insulation for buildings, with increasingly strict parameters. But how should this issue be dealt with in the near future, with the worrying climate crisis forecast?

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El Garaje by Nomos has been announced as the winner of the 2021 AR House Awards 2021. Selected from a shortlist of 15 global practices, the jury praised the project for how it "rethinks the housing typology as an element to reactivate underused spaces in cities and transform rigid and obsolete infrastructure into lively solutions". House Hamburgö by Manthey Kula and House in Kanazawa by Shota Nakanishi Architects also received highly commended recognition, along with honorable mentions to Beaconsfield house by Simon Pendal Architect, Weekend House by AREA (Architecture Research Athens), and Hlöðuberg artist studio by Studio Bua.

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It is believed that copper was the first metal to be found by men and used in the manufacture of tools and weapons. This occurred in the last period of prehistory, more than 10,000 years ago, in the so-called Metal Age, when groups, until then nomadic, started to become sedentary, developing agriculture and starting the first urban settlements. Copper has since been used in diverse ways. Used for decorative objects, jewelry, automotive parts, electrical systems, and even for dental amalgams, the material has had huge demand. In architecture, copper coatings are greatly appreciated for their aesthetics and durability. But a factor worth mentioning is that copper can be recycled infinitely, practically without losing its properties.

Due to its specific characteristics, the architecture of the sauna is interesting because it gives us lessons related to efficiency and the beauty of simplicity. These are generally very basic structures with a clear function, created to contain different levels of heat and humidity. Thanks to this steam bath, people can release toxins and improve their blood circulation. In addition, they are widely used in cold climates, in close proximity to nature and utilizing the presence of water.

To function, these normally airtight spaces contain a series of internal benches with different dimensions and a heat source that must reach temperatures between 80 and 90°C, including, if necessary, a chimney to expel the smoke. Wood is the material par excellence for saunas, using in most cases native species that maintain their rustic appearance and natural texture. Next, we review 9 saunas designed by architects, including some of their construction details.

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It is a student's right to be educated in a safe, healthy, and even aesthetically appealing environment, especially young students for whom these factors are even more important. For example, it has been shown that when the ergonomics of chairs are inadequate, they can greatly affect levels of concentration and the development of skills such as calligraphy. At the same time, the effectiveness of traditional teaching methods is increasingly being questioned and the quality of alternative methodologies increasingly being considered. In other articles, we discussed in more detail the design of Montessori schools and the atmosphere of Waldorf interiors.

Today, we will cover the importance of choosing furniture and address some aspects to consider when organizing them in classroom design for the schools of the future.

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