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What can the security X-ray machine see?

2026-01-20 12:06:28 mechanical

What can the security X-ray machine see? Revealing the "transparent world" behind luggage

With the popularization of security inspection technology, X-ray machines have become standard equipment in public places such as airports and subways. But many people are wondering: What exactly can these machines "see"? This article combines the hot topics on the Internet in the past 10 days and uses structured data to reveal the secrets for you.

1. X-ray machine imaging principle and color recognition

What can the security X-ray machine see?

The security X-ray machine generates images based on the differences in the absorption rates of X-rays by different materials, and uses colors to distinguish materials:

colorCorresponding materialcommon items
orangeorganic matterFood, plastics, explosives
blueInorganic matterKnives, guns, metal utensils
greenmixtureMobile phones, circuit boards

2. Inventory of recent hot security inspection incidents (last 10 days)

Through public opinion monitoring, it was discovered that the following events triggered widespread discussion:

DateeventCheck out items
May 20Guangzhou Airport Pet ConsignmentLive hamster (hidden inside the doll)
May 23Hangzhou Metro StationCeramic knife (disguised as a comb)
May 25Chengdu Railway StationLithium battery pack (excess rated capacity)

3. X-ray machine detection capability limit test

Laboratory data shows the recognition accuracy of the current device:

Item typeMinimum identifiable sizespecial case
metal cutting tools≥3cmTitanium alloy materials require special algorithms
liquid container≥100mlNon-Newtonian fluids trigger alarms
electronic equipment≥1cm³Micro cameras require side view assistance

4. Controversies over privacy protection and new technologies

Recent hot topics on social platforms show:

Disputed pointsSupport ratioOpposition proportion
Body scan clarity62%38%
AI automatic identification system55%45%
medical implant display78%22%

5. Future technology development direction

According to the latest report of the International Security Technology Forum:

Technical nameEstimated commercial timeImproved detection capabilities
Terahertz imaging2026Recognize paper text
Quantum detection2030Molecular level substance analysis
holographic scan2028360° stereoscopic imaging

Conclusion:Security X-ray machines are evolving from "seeing objects" to "intelligent identification", and we need to continue to find a balance between public safety and personal privacy. The next time you go through security, imagine that your luggage is putting on a wonderful "see-through show."

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