How long will you wait hitchhiking on the road?

The hitchhiker’s paradox in a consequence of the Poisson’s law, which describes how the occurences of an event during a period of time are happening, based on the observation of the previous actual occurences in the past.

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Should we try to communicate with E.T.?

In September 2016, China announced that their new radio telescope installed in Guizhou Province became operational, with a dish the size of 30 football pitches (500m diameter dish), which makes it the biggest radio-telescope in the world, bigger than the Arecibo Observatory in Puerto Rico with its 305m dish. It took five years and $180 million to build.

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