Military: what is world military spending, based on GDP?
Self-tutoring about world trends: the tutor looks into the world’s military spending. The world military spending rate is 2.3% of GDP in 2021. Source: cia.gov
Category: military
English, Military terminology: radar is an acronym
Reading leads to more self-tutoring: the tutor reveals what he just learned: radar is an acronym. RADAR: RAdio Detection And Ranging In this context, ranging apparently means determining the detected object’s range, or distance away. Source: Mish, Frederick C. (editor). …
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