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Bēhance

experimental #2

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  • Self Sufficient Habitat ///
  • At least in one thing plants are a lot smarter than humans. Over billions of years, they developed perhaps the most efficient power supply in the world: photosynthesis, or the conversion of sunlight, carbon dioxide and water into usable fuel, emitting useful oxygen in the process. In the case of plants (as well as algae and some bacteria), "usable fuel" is carbohydrates, proteins and fats. Humans, on the other hand, are looking for another type of energy. For years, scientists have been trying to come up with a way to use the same energy system that plants do but with an altered end output.
    The energy available in sunlight is an untapped resource we've only begun to really get a handle on. Current photovoltaic-cell technology, typically a semiconductor-based system, is expensive, not terribly efficient, and only does instant conversions from sunlight to electricity -- the energy output isn't stored for a rainy day.  Fossil fuels are in short supply, and they're contributing to pollution and global warming.
    Artificial photosynthesis,  changing the way we power our world 
    An artificial processes that mimics what happens in plants could potentially create an endless, relatively inexpensive supply of all the clean "gas" and electricity we need to power our lives - and also in a storable form. But for an artificial system for human needs, the output has to change. Instead of releasing only oxygen at the end of the reaction, it would have to release a biogas, like liquid hydrogen (or perhaps methanol) as well.
    That hydrogen could be used directly as liquid fuel or channeled into a fuel cell. Getting the process to produce hydrogen is not a problem, since it's already there in the water molecules. And capturing sunlight is not a problem - current solar-power systems do that.
    There have been important advances in this area in the last five or ten years. Once perfected, these systems could change the way we power our world. Nowadays, while artificial photosynthesis works in the lab, it's not ready for mass consumption. Replicating what happens naturally in green plants is not a simple task.  Source: http://goo.gl/LLEyCD
  • 2030 photosynthesis  habitat ///
    A vision of how we can live simply and self-sufficient in the near future. This tiny house combines rudimentary techniques and high-end materials  from advancement of nanoscience in recent years. Imagine a scenario not too far away – the 30s, being used as temporary shelter or even as a permanent refuge from urban chaos. Something extremely lightweight, easy to assemble and transport. The idea is to be simple, inexpensive and accessible to all. The base material used is cardboard shaped like tubes and plates. To ensure a permanent durability of the construction, all parts are sealed with a hydrophobic coating spray. In addition to the structural function, the tubes around the bathroom make up a cyclic system of storage, treatment and reuse of water, with total capacity of 3200L, ensuring water supply besides granting weight to anchoring the building to the ground.
    The roof and side walls are made with a lightweight  and resitent cover, with geometry based on ancient folding techniques. Its surface is made up of a nano-tech material able to do artificial photosynthesis 24 hours per day. This process results in a large scale  production of a kind of biogas that can be stored in a common cylinder and transformed into a clean electrical energy sufficient to supply all around necessity. The cyclic storage, treatment  and reusing of water is taken from 80 papertubes (100mm) . Each tube is capable of holding 40L of water, making  a total of 3200L of water.
    The 20m2 module  is airtight and has compact dimensions: 2.5mx 6m at the base, plus a bedroom on the upper level. Despite the small size, the indoor environment is at the same time spacious and cozy.