Picture Archiving and Communication System, a medical imaging technology that stores and transmits digital medical images. Also refers to Political Action Committees in US politics.
Medical sense: acronym formed in the 1980s from 'Picture Archiving and Communication System' as digital imaging revolutionized healthcare. Political sense: from 'Political Action Committee' plus plural 's', established by US campaign finance laws in the 1970s.
The medical PACS revolutionized radiology by replacing film X-rays with digital images that can be instantly shared worldwide. Meanwhile, political PACs have transformed campaign financing, creating a parallel system where organizations can influence elections while maintaining some distance from candidates.
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