Researchers' night, launched in 2005 under the "Researchers in Europe" initiative, offers the large public a unique opportunity to discover the researchers and their magic world: dozens of labs, universities, enterprises, foundations...open their doors and unveil their secrets Europe wide, allowing each of you, "hand in hand" with researchers, to be scientist for a night, take part in mysterious and fascinating experiments, use sophisticated instruments, understand the magic of science and its beauty and ask any question you always wanted to ask without daring before...