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NASA successfully landed "Curiosity", an exploratory rover, on the surface of Mars on 6th August 2012 after a journey of more than half a year. One of the interesting bits about its design is that it has larger wheels than previous rovers. The wheels also have a pattern that provides better grip with a secondary purpose of leaving tracks can be used by cameras on-board to calculate how much distance was traveled by the rover.

The pattern is Morse Code for the letters "JPL". Why JPL?

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This day last year: Q.312

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In Jan 2017, Finland became the first country in Europe to officially experiment with this socio-economic concept. Similar experiments are scheduled for many Dutch cities and the Canadian city of Ontario in 2017. In the case of Finland, the figure is 560 Euros a month. What concept?

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