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Knowledge Matrix on Instagram: "This Is How Vehicles Are Scanned at Security Checkpoints Without Ever Stopping 🚗📡 Modern security checkpoints use drive‑through scanning systems that inspect vehicles while they’re moving. As a car passes at low speed, a combination of X‑ray backscatter, millimeter‑wave radar, and automated cameras scans the vehicle’s exterior, undercarriage, and cargo areas. Advanced software instantly analyzes the data, flagging anomalies like hidden compartments or unusual de