Quantum: the invisible gears of the world
The fourth edition of the City and Science Biennial will take place simultaneously in Barcelona and Madrid between November 18 to 23, 2025. And with a special edition of science programming within the framework of the Guadalajara International Book Fair between November 29 and December 7, 2025.
All Biennial activities are free until capacity is reached. Those that require prior registration are specifically indicated in the information for that activity.
We are waiting for you at the City and Science Biennial 2025!
The curators encourage you to come to the 4th City and Science Biennial!
Highlights
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Workshops and experiments for educational centersThe 4th City and Science Biennial has also organized activities to transfer quantum science to students. -
Series of informative videos about quantum physicsFour creative pieces describe the four main thematic axes of the City and Science Biennial -
The NAT Award ceremony kicks off the 4th City and Science BiennialThe award, presented by the Museum of Natural Sciences, has been granted to chemist and popularizer Philip Ball. -
The great personalities of the BiennialSome of the most influential figures in contemporary scientific thought will share their knowledge. -
Science night Saturday eveningFrom scientific monologues to sound performances, including interactive demonstrations and guided tours. -
The Biennial, a large open laboratory for young peopleThe program includes various activities designed for children and young people. -
Permanent exhibitions of the BiennialEl Born. Barcelona History Museum will host a set of exhibitions that can be visited throughout the event. -
The Biennial, also in MadridThe event is consolidated in the state capital with a program that unites art, science and thought. -
The 4th City and Science Biennial presentedThe event programs 130 activities in Barcelona, Madrid and Mexico to bring the quantum revolution closer to citizens. -
Barcelona reaffirms its leadership in frontier research within the framework of the City and Science BiennialThe event will place knowledge at the center of public debate and will focus on cutting-edge research, with quantum mechanics as its central theme. -
The City and Science Biennial 2025 is approaching! (November 18 to 23)The event, in this new edition, will be held simultaneously in Barcelona and Madrid. -
The fourth edition of the City and Science Biennial Will focus on the impact of quantum technologiesThis morning the event was presented, which will take place between November 18 and 23, 2025 and will be held simultaneously in Barcelona and Madrid. -
Biennial 2023, streamed recordingThe videos of some of the activities in case you missed them or if you want to relive some of the debates.
From 18 to 23 November
BARCELONA and MADRID
From November 29 to December 7
This edition, also in MEXICO
Check the FIL Guadalajara program
Thematic axes
This Biennial invites you to reflect on the fact of living and relating to the environment from different thematic axes.
The essentials
A tour through some of the activities of this Biennial that you can't miss.
+ Biennal
Activities organised by local facilities, cultural centres and other entities that contribute every day to bringing scientific knowledge closer to the public.


