It's called Alpha Magnetic Spectromer (AMS) and was born at CERN in Geneva, thanks to the work of 500 scientists from 16 countries, and especially thanks to funding received from the Italian State.
On 26 August he appeared, with its 47 tons of total weight, in the position of the ISS research , International Space Station, where he will work for 10 years or more ..
It is assumed that at the beginning of the universe matter and antimatter existed in equal quantities, but now it appears that the antimatter has gone to 95% .. AMS is responsible for providing the answer to this riddle;)