Geography has always governed geopolitical strategy, the height of mountain ranges, the depth of maritime chokepoints, and the width of sovereign borders. But as the global security landscape evolves toward a permanent existence in the grey zone, fueled by artificial intelligence, autonomous systems, and constant information flows, there is a new, invisible theatre of war: the human circadian rhythm. Illustration by The Geostrata Historically, conflict was observed at night.

China’s progressive usage of the Active Defence Doctrine and its strategic reinterpretation under the leadership of Xi Jinping in 2015...

“साम दाम दंड भेद” (saam daam dand bhed) is a Sanskrit phrase that means “the four ways of dealing with people." It is a strategy of...