radar
One palindrome commonly used for invisible rays for tracking objects is "radar". This term refers to radio detection and ranging technology, which uses radio waves to detect the presence, location, and distance of objects.
Those would likely be radio waves or infrared rays used in technologies like radar or Lidar systems to track objects. Radio waves are able to detect and track objects by bouncing off them, while infrared rays can be used for sensitive motion detection.
Infrared rays are a form of electromagnetic radiation that have longer wavelengths than visible light. They are invisible to the human eye but can be felt as heat. Infrared rays are commonly used in applications such as thermal imaging, remote controls, and infrared saunas.
x-rays can be used to detect broken bones and lodged objects.
X-rays, because they either pass through or are absorbed by the objects in the baggage, creating an image of the objects. -Apex :)
A tracking shot is used to create a sense of movement and fluidity in a scene, following characters or objects as they move through the environment. It can also help to build tension, highlight relationships between characters, or provide a dynamic perspective for the audience.
They use ultrasonic. The sound they use to locate objects that may be invisible.
Shorter wavelengths, such as X-rays and gamma rays, have higher energy and can penetrate solid objects to varying degrees depending on the material. X-rays are commonly used in medical imaging due to their ability to penetrate tissues, while gamma rays are often utilized in industrial applications for inspecting thick materials like steel.
A convex lens is used to correct long-sightedness (hyperopia) because it helps to converge light rays onto the retina. In hyperopia, the light rays focus behind the retina, causing distant objects to be seen more clearly than close objects. By using a convex lens, the light rays are refracted so that they converge properly on the retina, allowing the individual to see both near and distant objects clearly.
Invisible wavelengths include ultraviolet (UV) radiation, which is shorter than visible light and can cause sunburn and skin damage, as well as infrared radiation, which is longer than visible light and is often felt as heat. Other examples include X-rays and gamma rays, which are used in medical imaging and have very high energy levels.
If used in the context of "to be invisible" it is a verb. Hide can be used as a verb for invisible, as in "to hide from sight".
X-rays are a form of electromagnetic radiation that have a wavelength in the range of ten to 0.01 nanometers. They are commonly used to take images inside objects, such as in medical imaging to visualize bones and tissues.