What metals Cannot be X rayed?
What metals Cannot be X rayed? A standard X-ray machine sees through clothes and skin, but not metal. As a result, airport scanners cannot see through gold, platinum, tungsten, and other metals. Scanners also cannot see objects in body cavities or ones wrapped in aluminum foil. Other items that evade detection by scanners include lead and crystals.
Can airport scanners detect gold?
Yes. Metal detectors will detect large pieces of gold in or on your person. Baggage scanners will see gold (as an opaque item - gold is very dense and X-rays do not penetrate it).