Starting in 1909, an Italian company called Dalmine started manufacturing seamless steel tubes on commercial basis making it accessible and affordable to the common man. Back then the times known as the Bauhaus era, it was a different concept. Designers believed in creating furniture that is light, durable and not so tight on the pocket. Materials like molded ply were popular, the times were great for masses.

Then in 1914, a Japanese company Nippon Kokan Kabushiki (NKK) started manufacturing steel tubes, and by 1954 we had two manufacturing companies in Latin America. The period in between is filled with evolutions-in Europe, in 1920s, an entrepreneur lady Charlotte Perriand took the first step towards incorporating modern material in furniture. It was her passion that made her to transform her b'ful garret-style Parisian apartment into a workshop, and she started to design and build metal tubular furniture from chrome and aluminum for a “machine age interior”.

A solar energy house will contain a number of appliances which are powered by solar energy. In this article I look at exactly how you will use solar energy in the home.

Solar Cooker: A standard solar cooker has an outer box, which contains 3-4 containers for cooking. Solar cookers can be operated without burning gas or any other fuel. Different types of solar cookers are available for purchase. You can buy panel cooker, box cooker, curved concentrator cooker, etc.

Solar Lighting: Photovoltaic cells are used in solar lighting. They convert daylight into stored electricity for powering lighting devices when needed. These lights do not require electricity and emit light-emitting diodes (LEDs) which reduce carbon emission.