At the beginning of the 20th century, a series of unexpected discoveries radically altered the foundations of modern science. Where certainty and determinism had reigned for centuries, a new way of understanding reality emerged that called into question basic concepts such as space, time and causality. More than a hundred years later, that intellectual revolution is not only still relevant, but also drives much of the technology that underpins the contemporary world.

In the mid-20th century, the practical application of the principles of quantum mechanics gave rise to a genuine technological transformation. From this emerged key advances such as semiconductors, lasers, magnetic resonance imaging and global telecommunications – fundamental pillars of today’s digital society. This first great leap demonstrates how a seemingly abstract theory has had a direct impact on our daily lives.

Today, all signs point to us being on the cusp of a second revolution: quantum computing and the development of new technologies based on these principles. From ultra-secure communications to advanced sensors and high-precision metrology, quantum research is opening up unprecedented possibilities. The emergence of quantum computers promises a leap in magnitude that is difficult to imagine, capable of tackling problems that are currently beyond the reach of classical computing.

The exhibition ‘The Quantum Revolution’, curated by the Telefónica Foundation and Dr Sonia Fernández-Vidal, a PhD in Information and Quantum Optics, in collaboration with the Spanish Foundation for Science and Technology – Ministry of Science, Innovation and Universities and the Barcelona Supercomputing Center – National Supercomputing Centre (BSC-CNS), and with the support of the INFN (National Institute of Nuclear Physics) and the CCCB (Centre for Contemporary Culture of Barcelona), offers a comprehensive and accessible exploration of this process, combining science and art to explain both the origins of quantum physics and its current implications. Through more than 120 works—including historical scientific artefacts, immersive installations, audiovisuals and interactive displays—visitors can explore concepts such as superposition, entanglement and the uncertainty principle through a variety of media.

Beyond its scientific dimension, the exhibition invites reflection on the cultural and philosophical impact of quantum physics. How does our view of the world change when reality depends on the act of observation? What implications will these technologies have for industry, communication or society? This journey places us before a horizon where what seems impossible today could become commonplace, raising new questions about knowledge, technology and our own understanding of reality.

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