Quantum information science studies the implications of quantum mechanics for information processing, communication and computation. Besides being one of the most thriving areas of contemporary research, quantum information science carries an unprecedented transformative potential for 21st century quantum technologies, while providing new tools and perspectives across a wide range of problems in physics, chemistry, biology, applied mathematics, engineering and computer sciences. In this Colloquium, I will first provide a broad introduction and survey some of the recent accomplishments in the field, and then highlight some of my own research contributions in the area of open quantum systems and quantum noise. In particular, I will describe how taming noise in quantum systems calls for control methods able characterize and suppress the unwanted effects of the environment at the physical layer, but ultimately also for strategies able to turn the environment itself into a useful resource.
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