Reflections are only that, reflections, nothing more nothing less. Often these reflections are related to books I read, but occasionally also other things. These are often written very late, very fast,  using notes from my mobile phone, so the grammar and spelling is horrible.

Technology quote of the day: solar film and the Bird’s Nest in China

"I would choose to use solar film to power air-conditioners in the Bird's Nest instead of the current ground-source heat pump," said Ding Gao, an engineer of the landmark building.”

The pace of change is now to fast that anyone responsible for buildings need to totally rethink how we see buildings. There is no reason for buildings being built today to not be net producers of electricity. The question that would be interesting to get an answer to is how many of the existing buildings around the world that could become net producers and how fast…