The measurement of time seems a simple thing. However, behind to de actual clocks, there is many centuries of history and a lot of physics in each second.
About the author
Carme Jordi is an astronomer, professor in the Department of Quantum Physics and Astrophysics and the Institute of Cosmos Sciences at the University of Barcelona, and a member of the Institute of Space Studies of Catalonia. His research focuses on the space mission of the European Space Agency (ESA), Gaia, which aims to create the largest and most accurate three-dimensional map of our Galaxy by conducting a survey of one billion stars with unprecedented accuracy in position and movement. Carme Jordi is also an active science disseminator, she participates in the "Toc-Toc" program of La UBDivulga, and gives talks and conferences in several centres and entities. She is also a professor at the "Universitat de l'Experiència de la UB", where she teaches astronomy for people older than 55 years old.
