Schematic diagram (IMAGE) National Research Council of Science & Technology Caption Quantum information preservation relation and schematic diagram of quantum states subjected to ‘weak measurement’ and ‘reverting operations’ (G: information obtained by measurement, F: information remaining in quantum state after measurement, R: probability of successful reversion) Credit Korea Institute of Science and Technology(KIST) Usage Restrictions The sources of photos and research results from KIST must be specified. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.