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X rays

If our eyes could detect super-energetic forms of radiation such as X rays, looking at our friends would be an altogether more surreal experience: we'd be able to see straight through their skin and watch their bones jiggling about underneath! Perhaps it's fortunate that we don't have that kind of ability—but we can still enjoy the benefits of using X rays all the same: they're hugely important in medicine, scientific research, astronomy, and industry.

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 X-rays, what are they?

X-rays have wavelengths much shorter than visible light, but longer than high energy gamma rays. Their wavelength is well suited to study crystal structures and details of the human body. In addition, several objects and processes in the Universe emit X-rays. These X-rays are the messangers revealing information of the cosmos.

Articles of Interest

Electromagnetic Spectrum 101: X-Rays

In some ways, the line drawn between X-rays and gamma rays is meaningless. The basis of wavelength is the most common technique of differentiating between X- and gamma radiation, with radiation shorter than an artificial wavelength, such as 10^-11 m, classified as gamma rays. The wavelength of electromagnetic radiation released by X-ray tubes is typically longer than the wavelength of radiation emitted by radioactive nuclei.

Scientists Say: X-ray

Machines in doctors’ offices aren’t the only things that produce X-rays. Many very hot objects in the universe give off this type of radiation, such as pulsars and exploded stars. Earth’s atmosphere shields us from such high-energy radiation. So scientists must send X-ray telescopes into space to see X-ray-bright objects across the cosmos.

What Are X-Rays: A Comprehensive Guide for Radiation Protection

X-rays are a kind of electromagnetic wave. Electromagnetic waves exist on a spectrum, with the variation being determined by wave frequency and length. For example, visible light, radio waves, and microwaves all exist on the electromagnetic spectrum, but these waves have different wavelengths and frequencies from x-rays. While radio waves, microwaves, and visible light feature long waves and lower frequencies, x-rays, and their more dangerous cousin, gamma rays, are composed of tight, high-frequency waves.

What Are X-Rays?

X-rays are types of electromagnetic radiation probably most well-known for their ability to see through a person's skin and reveal images of the bones beneath it. Advances in technology have led to more powerful and focused X-ray beams as well as ever greater applications of these light waves, from imaging teensy biological cells and structural components of materials like cement to killing cancer cells. X-rays are roughly classified into soft X-rays and hard X-rays.

X Rays and Gamma Rays: Crookes Tubes and Nuclear Light

Light becomes something quite strange and powerful in the region of the electromagnetic spectrum in which wavelengths are shorter than in the near UV ultraviolet waveband.

X-Ray Properties (Energy, Wavelength, Inverse Square Law)...

So, x-rays are electromagnetic radiation just like the light around us but with much higher energy. Because x-rays have much higher they have shorter wavelength. Since their wavelength is so short in most scenarios we can treat x-rays like particles traveling through space (i.e. just ignore the fact that they are really waves). We call each of these individual packets x-ray photons.

X-Ray Radiation

X-ray radiation is a form of electromagnetic radiation that occupies a specific segment of the electromagnetic spectrum with wavelengths ranging from 0.1 to 10 nanometers. This positions X-rays between gamma rays, which have even shorter wavelengths, and ultraviolet light, which has longer wavelengths. X-rays are produced both naturally, through sources like some radioactive elements and cosmic phenomena, and artificially, via devices such as x-ray tubes, where processes like bremsstrahlung generate the radiation.

X-Rays

X-rays have much higher energy and much shorter wavelengths than ultraviolet light, and scientists usually refer to x-rays in terms of their energy rather than their wavelength. This is partially because x-rays have very small wavelengths, between 0.03 and 3 nanometers, so small that some x-rays are no bigger than a single atom of many elements.

X-Rays and Gamma Rays

The Sun sends out X-rays, but they are thankfully blocked by Earth's atmosphere. We can make X-rays by having high energy electrons hit heavy metal objects such as tungsten...

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7 things you may not know about X-rays

Although James Watson and Francis Crick are typically credited with the discovery of the structure of DNA, their breakthrough would not have been possible without the X-ray crystallography performed by chemist Rosalind Franklin. X-ray crystallography involves striking a crystal’s surface with X-rays and then looking at the ​“scattering” pattern generated as a result. By working backwards mathematically, scientists can reconstruct the structure of small molecules from these intricate patterns.

ClearlyExplained.com

Before their discovery in 1895 X-rays were just a type of unidentified radiation emanating from experimental discharge tubes. They were noticed by scientists investigating cathode rays produced by such tubes, which are energetic electron beams that were first observed in 1869.

Cosmos

X-rays are commonly regarded to have first been discovered in the laboratory in 1895 when Wilhelm Röntgen conducted experiments with a partially evacuated tube enclosed in thick cardboard. He passed electricity through the tube, and whenever he did this, he noticed that a chemical coated screen on the other side of his laboratory would glow. Within a week he had created an X-ray image of his wife’s hand, showing the bones and her wedding ring. Röntgen dubbed this new form of radiation “X” rays, to denote its mysterious nature, and the name stuck.