[Reflections on time. From the clinic to climate change.]
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Updated: Jan 28, 2026

Using Generative Art to Convey Past and Future Climate Transitions
Published on: March 31, 2023
1Ex-Presidente, International Epidemiological Association.
Abstract:
The often heard 'time is money' formula is today generally applied to all human activities: it implies that a gain in time is a gain in money, with the consequence of introducing a generalized pressure to minimize the execution time of all and every human operation. There are however processes that are just destroyed when their execution speed becomes faster and faster: any music piece, whose time structure is essential, is a prototype of these phenomena. Two apparently remote phenomena as the doctor-patient interaction and the control of global climatic change belong for different reasons to the same category of phenomena the priority of which cannot be derived using the 'time is money' formula but requires - before any accounting calculation - considering their intrinsic value for health and medicine.
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Work Done During Volume Change
Consider a gas confined to a cylinder fitted with a movable piston at one end. If the gas expands from volume V1 to volume V2, it exerts a force on the piston, such that the piston moves by a distance dr.
The work done by the gas on the piston can be expressed as
Net Change Theorem

