Held from Nov. 11 to Nov. 14, the Critical Infrastructure Defence Exercise (CIDeX) 2025 focuses on training and strengthening the capabilities of the 11 critical sectors to detect and deal with cyber threats. Minister for Defence Chan Chun Sing and Minister for Digital Development and Information Josephine Teo visited the exercise site today (Nov. 12) and observed demonstration tools developed in-house by the Singapore Armed Forces' Cyber Defence Test and Evaluation Centre. | Mothership

The history of #photography Began with the discovery of two critical principles: The first is camera obscura image projection, the second is the discovery that some substances are visibly altered by exposure to light [2]. There are no artifacts or descriptions that indicate any attempt to capture images with light sensitive materials prior to the 18tBegan with the discovery of two critical principles: The first is camera obscura image projection, the second is the discovery that some substances