The competition consisted of two questions, one knowledge-based and one guessing.
Competition questions:
1. Knowledge question:
Who and in what year first converted a sunbeam into electrical energy?
Answer: Charles Fritts, 1883
In 1883, the first selenium photocell with a thin layer of gold was constructed (Charles Fritts, efficiency below 1%).
Want to know more? A nice article about photovoltaics can be found here
2. Guessing question:
What is the weight of our standard dedicated server?
Answer: The Greenhousing dedicated server weighs 11.723 kg.
Winner announcement:
We regret that not a single correct answer arrived at our competition email. For this reason, the prize remains in the Greenhousing bank and will be used in one of the future competitions.
ZM