The four times

Time in numbers

Our watches, our clocks allow us every day to calculate durations from which we reconstruct time. However, modern physics has shown that this notion of time historically reconstructed from durations was wrong. Since then, new concepts have emerged and have been adapted to different scales: dating, chronology, the atomic clock, simultaneity. Their approximate correspondences are sufficient to justify the idea that there is a time that flows in the universe, which we can sometimes measure, and whose properties we can state.

Time in nature

Our world is constantly changing. "The time of evolution" proposes to look to the past and the present to better reflect on our future. Collective or individual? Terran or space? What messages can we draw from our biosphere, geosphere and climatosphere to fully include the human species in the long-term future?

Time perception

Ancient Greeks, eternal time of religion, psychological duration, cyclical time of capitalism, rhythm of biology, rolling times of the everyday, merciless competitive time of sport and the business world, psychoanalytic time of unconscious memory, emotional time, imagination, apocalyptic or utopian of mythanalysis: exacerbated, we evolve simultaneously in the plural time of the past, the moment and the uncertain future. Time seems to be counted.

Time in art

Art, when produced, creates closed temporal frames inscribed in the duration of a reading, a representation, a musical execution. It allows then to experience a singular temporality, which escapes biological time, and which distinguishes its worth. This time is like a gift offered to everybody, allowing us to reflect on this singular concept of time.