Jazmin Li
Airport body scanners use radio waves or terahertz radiation (t-rays) to screen passengers. T-rays can penetrate a few millimeters of cloth and non-metallic materials, allowing them to see what's under clothing and artwork. While these scanners are not designed to detect cancer, researchers at the Stevens Institute of Technology have developed a non-invasive method to detect skin cancer using similar technology. This method could potentially reduce the number of unnecessary biopsies by half, providing a cost-effective and rapid detection tool for skin cancer.
| Characteristics | Values |
|---|---|
| Airport scanner technology | Terahertz radiation ("t-rays") |
| T-ray properties | Non-ionizing, similar to visible light, unable to penetrate deeply |
| T-ray applications | Security checks, medical diagnostics, art inspection, etc. |
| Skin cancer detection | T-rays can image suspected areas under the skin to identify irregularities |
| Benefits of T-rays | Instant diagnostic reading, cheaper and faster than laser-based tools |
| Limitations | Cannot detect internal cancers or diseases |
| Impact | Potential to reduce unnecessary biopsies, improve early detection |
Explore related products
What You'll Learn
- Airport scanners use terahertz radiation (t-rays) to see through human skin and tissue
- T-rays are non-ionizing, like visible light, and don't have enough energy to mutate cells
- Airport scanners can detect scar tissue, which can light up the scanner
- Stevens Institute of Technology researchers developed a system to detect skin cancer using airport scanner technology
- Millimeter-wave radiation, used in airport scanners, is longer than infrared or x-rays
Airport scanners use terahertz radiation (t-rays) to see through human skin and tissue
Airport scanners use non-ionizing terahertz radiation, also known as T-rays, to see through human skin and tissue. T-rays are similar to visible light in that they do not possess enough energy to remove electrons from molecules, meaning they are safe to use on human tissue and will not cause cell mutation.
T-rays can penetrate a few millimeters of cloth and non-metallic material, which makes them ideal for looking under clothing and inside bags during security checks at airports. They can also be used to see what is underneath paintings and other forms of artwork without causing damage.
The potential diagnostic capabilities of T-rays have been recognized by researchers, who have developed non-invasive methods to detect skin cancer and distinguish it from benign lesions. This technology could be used to detect early signs of tooth decay, the presence of pesticides on produce, and problems with tablet coatings.
The Stevens Institute of Technology has created a system to detect skin cancer using shortwave rays similar to those used in airport scanners and smartphones. This technology could potentially reduce the number of unnecessary biopsies by half. Researchers at Rutgers University have also developed a device that can quickly determine the depth and potential malignancy of a skin lesion.
Heathrow Airport: Luggage Lockers Availability and Details
You may want to see also
Explore related products
T-rays are non-ionizing, like visible light, and don't have enough energy to mutate cells
Airport body scanners use technology similar to radio waves, which do not penetrate the skin. Radio waves are a form of non-ionizing radiation, which means they do not have enough energy to remove electrons from atoms. Non-ionizing radiation includes radio waves, visible light, microwaves, and lower-energy ultraviolet light. While non-ionizing radiation can move atoms in a molecule or cause them to vibrate, it does not have the same cell-mutating effects as ionizing radiation.
Ionizing radiation, on the other hand, has enough energy to knock electrons out of atoms, causing ionization. This process can damage tissue and DNA in genes, potentially leading to cancer. Examples of ionizing radiation include X-rays, gamma rays, and higher-energy ultraviolet rays.
T-rays, or terahertz radiation, are another form of non-ionizing radiation similar to radio waves and fall within the extremely high-frequency range of the electromagnetic spectrum. Like visible light, T-rays do not have enough energy to mutate cells or cause cancer. Instead, they are used in medical imaging and security screening, such as in airport body scanners, to detect objects that may be hidden under clothing without causing harm to the human body.
While T-rays are considered safe for human use, further lab studies are often conducted to ensure the technology's safety. For example, a 2019 review by the International Commission on Non-Ionizing Radiation Protection (ICNIRP) assessed the potential health effects of radiofrequency (RF) radiation, a type of non-ionizing radiation. While the studies had limitations, they did not rule out the possibility that RF radiation could impact human health in other ways.
In conclusion, T-rays, like visible light, are a form of non-ionizing radiation that does not have enough energy to mutate cells or cause cancer. Their use in airport body scanners is safe and does not pose the same health risks as ionizing radiation.
LaGuardia Airport: Delayed Flights and Their Causes
You may want to see also
Explore related products
Airport scanners can detect scar tissue, which can light up the scanner
Airport body scanners use technology similar to radio waves or X-rays to detect suspicious items on travellers. While these scanners do not detect cancer, they can detect scar tissue, which may light up the scanner and require a pat-down. This is because scar tissue can appear as a solid mass compared to the surrounding area, triggering the scanner.
Millimetre wave scanners emit extremely low-energy waves, capturing the reflected energy. The scanners use a fraction of the energy of a cell phone and do not penetrate the skin. Backscatter X-ray scanners, the more common type in the US, use very low doses of X-rays, similar to those in medical imaging. While these X-rays pass through the body to generate an image, backscatter technology detects radiation reflecting off the person.
The radiation exposure from backscatter X-ray scanners is equivalent to around 1-3 minutes of flight time. For example, a woman taking a 6-hour flight would be exposed to approximately 14.3 μSv of radiation, with an additional 0.03-0.1 μSv from the scanner, increasing her total exposure by less than 1%. While the risk of cancer from radiation exposure is proportional to the dose, the extremely low doses from airport scanners are unlikely to pose a significant risk.
Although airport scanners can detect some irregularities in the body, such as large cysts or masses, they are not designed to detect skin diseases or cancer. The primary purpose of these scanners is to enhance security by identifying contraband or suspicious items hidden under clothing. While the detection of scar tissue may be an unintended consequence of the technology, it does not indicate the presence of cancer.
Airplane Audio Adaptors: What They Are and Why You Need Them
You may want to see also
Explore related products
$68.99
Stevens Institute of Technology researchers developed a system to detect skin cancer using airport scanner technology
Researchers at the Stevens Institute of Technology have developed a system to detect skin cancer using airport scanner technology. The technology, known as millimeter-wave (mm-wave) imaging, is commonly used in airport scanners to detect metallic objects on a person or in their bags. Millimeter-wave rays penetrate certain materials and bounce off others, allowing airport security to identify objects such as keys or metal weapons.
Similarly, cancerous tumors reflect more calibrated energy than healthy skin tissue, creating "reflective hotspots" that can be used to identify diseased tissue. This reflectivity pattern forms the basis of the Stevens Institute's technique for detecting skin cancer. The system can generate high-resolution, real-time 3D images of tumors, which can help guide surgeons and reduce the need for multiple biopsies to remove cancerous tissue.
The technique was developed by Negar Tavassolian, director of the Stevens Bio-Electromagnetics Laboratory, and postdoctoral fellow Amir Mirbeik-Sabzevari. The researchers custom-built antennae to generate high-resolution images of biopsied tissue and found that cancerous cells reflected around 40% more calibrated energy than healthy tissue. This proof-of-concept demonstrates that millimeter-wave reflectivity is a reliable marker for cancerous tissue.
The Stevens Institute's system has the potential to significantly impact skin cancer detection and treatment. It could be incorporated into a handheld device, providing rapid, non-invasive diagnoses without the need for painful and costly biopsies. With skin cancer being the most common form of cancer in the US, this technology could help address the growing number of new cases expected in the coming years.
Exploring Fiji: Activities and Attractions at the Airport
You may want to see also
Explore related products
Millimeter-wave radiation, used in airport scanners, is longer than infrared or x-rays
Millimeter-wave radiation, used in airport body scanners, operates at a frequency range of around 30 GHz to 300 GHz, with wavelengths ranging from 1 cm to 1 mm. This places it between microwaves and infrared radiation in the electromagnetic spectrum.
Infrared radiation has shorter wavelengths than millimeter waves, typically ranging from 700 nanometers to 1 millimeter. Shorter wavelengths are associated with higher frequencies and more energy. Therefore, infrared waves have higher frequencies and more energy than millimeter waves.
X-rays, on the other hand, have even shorter wavelengths than infrared, typically ranging from 0.01 nanometers to 10 nanometers. This makes X-rays much shorter in wavelength than millimeter waves as well. Similar to infrared radiation, X-rays have higher frequencies and more energy than millimeter waves due to their shorter wavelengths.
Millimeter waves are longer than both infrared and X-rays because they have lower frequencies and less energy. This makes them suitable for use in airport body scanners as they can image objects without causing harm to human tissue. Millimeter waves are reflected by the human body and do not penetrate the skin, making them safer for this application.
While airport scanners cannot detect cancer, they can detect irregularities in the skin, such as scar tissue, which may require further inspection.
Hollywood, Florida: Airport Accessibility and Convenience
You may want to see also
Frequently asked questions
Airport scanners use terahertz radiation ("t-rays") to look through human skin and tissue. T-rays are non-ionizing, meaning they don't have enough energy to mutate our cells. While they can't detect cancer, they can identify scar tissue or irregularities in the skin.
Airport scanners use shortwave or millimeter-wave radiation to penetrate a few millimeters of clothing and non-metallic items. This technology helps detect prohibited items without causing harm to the human body.
Yes, the technology has potential in medical diagnostics. For example, it could be used to detect early signs of tooth decay, find problems with tablet coatings, or locate weapons under clothing.
Researchers at the Stevens Institute of Technology have developed a non-invasive method to distinguish between skin cancer and benign lesions using airport scanner technology. This technique, based on reflectivity patterns, could potentially reduce the number of unnecessary biopsies.
Yes, scientists are continuously working on new methods. For example, a Rutgers University scientist has developed a device to determine a skin lesion's depth and potential malignancy quickly. Additionally, researchers at the University of British Columbia have created a specialized microscope that can pinpoint skin cancer's exact location and enable precise surgery without incisions.
