Encryption and decryption (IMAGE) Optica Caption Researchers created an optical system that encrypts information as a hologram that is scrambled when sent through a small container of liquid and then uses a neural network for decryption. Credit Stelios Tzortzakis, Institute of Electronic Structure and Laser, Foundation for Research and Technology Hellas Usage Restrictions None 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.