Building in the test laboratory
Not only laymen were amazed: In April 2013, the world's first building with a Bio-Intelligence Quotient (BIQ) was put into operation in Hamburg, one of the highlights of the International Building Exhibition (IBA) at the time. The special feature of the five-storey residential cube, which won an award in the IBA "Smart Material House" competition, is its outer skin made of photovoltaic collectors.
The southeast and southwest sides of the BIQ The BIQ is adorned with double-walled glass facades, between which a green liquid containing algae flows in interconnectable bioreactors that can convert sunlight into heat and algae biomass - and bind CO2. The glass bioreactors can convert about 48 percent of the incident sunlight into usable energy, greatly reducing utility costs at the BIQ - in theory. It has long been known that algae reactors can be used to generate energy, but they were considered inefficient. Whether the modifications devised by the BIQ planners will work out and the whole thing will pay off will soon become clear: In the meantime, the first tenants have moved into the BIQ.
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