Business Green: Low-cost solar specialist Nanosolar has announced that its European panel-assembly factory is now fully operational and capable of producing one panel every ten seconds. Announced in a blog posting on Wednesday, Nanosolar said the fully-automated factory located in Luckenwalde near Berlin would help it meet current orders for its panels totaling around $4.1bn. “Getting to the point of serial production with the unusual cost reduction involved in our technology is an …