Electromagnetic Spectrum Collection

Hofmann's spectroscope, 1895
3480079 Hofmann's spectroscope, 1895; (add.info.: Hofmann's spectroscope, 1895. Dr. J. G. Hofmann; originally of German extraction; established a business in Paris as an optical)

Corby & Browning's mircospectroscope, 1895
3480080 Corby & Browning's mircospectroscope, 1895; (add.info.: Corby & Browning's mircospectroscope, 1895.); Universal History Archive/UIG.

Electromagnetic spectrum. Diagram showing the changing wavelengths of electromagnetic (EM) radiation (top) and the corresponding frequencies in Hertz (Hz)

Diagram of the transparency of Earths atmosphere to different types of radiation
Diagram illustrating the transparency of Earths atmosphere to different types of radiation

Electromagnetic spectrum, neon tube showing a characteristic orange glow

Green, red and blue coloured disks showing the subtractive process, the three filters contain pigments which absorb some of the colours in the white light passing through

Electromagnetic spectrum, green led, light-emitting diode, showing a green glow

Visible light spectrum, artwork C016 / 9846
Visible light spectrum. Computer artwork showing the visible light section of the electromagnetic spectrum. Wavelength increases from top to bottom

Visible light spectrum, artwork C016 / 9849
Visible light spectrum. Computer artwork showing the visible light section of the electromagnetic spectrum. Wavelength increases from top to bottom

Visible light spectrum, artwork C016 / 9847
Visible light spectrum. Computer artwork showing the visible light section of the electromagnetic spectrum. Wavelength increases from top to bottom

Visible light spectrum, artwork C016 / 9848
Visible light spectrum. Computer artwork showing the visible light section of the electromagnetic spectrum. Wavelength increases from top to bottom

Visible light spectrum, artwork C016 / 9845
Visible light spectrum. Computer artwork showing the visible light section of the electromagnetic spectrum. Wavelength increases from top to bottom

Electromagnetic spectrum, artwork C016 / 9844
Electromagnetic spectrum. Computer artwork showing part of the electromagnetic spectrum. Wavelength increases from top to bottom. At bottom is infrared light (flat red lines)

Red-winged parrot. Museum specimen of a male red- winged parrot (Aprosmictus erythropterus) as seen in ultraviolet (UV) light. This species is native to Australia and Papua New Guinea

Laptop computer, thermogram. Laptop computers are designed for portability and in order to save space. A thermographic image is created by using a thermographic camera which detects radiation

Earths atmosphere and radiation, artwork
Earths atmosphere and radiation. Computer artwork showing the differing absorbance of electromagnetic waves by the Earths atmosphere

Electromagnetic spectrum, artwork
Electromagnetic spectrum, computer artwork. The changing wavelength of electromagnetic (EM) radiation through the spectrum is shown by the trace along bottom

Mans face, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits

Girls trampolining, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits

Building, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits

Extension lead, thermogram. This piece of equipment expands the number of sockets available to 3-pin electrical plugs. A thermogram shows the variation in temperature on the surface of an object

Teapot and mug, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits

Women eating ice lollies, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits

People sitting at a table, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits

Man wearing sunglasses, thermogram
MODEL RELEASED. Man wearing sunglasses, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits

Microwave, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits

Woman drinking, thermogram
Woman drinking a cold drink, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits

Feet, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits

Man, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits

Mobile phone on charge, thermogram. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits

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The electromagnetic spectrum is a fascinating concept that encompasses a wide range of radiation types. As depicted in the diagram, Earth's atmosphere allows certain wavelengths to pass through while blocking others. This transparency plays a crucial role in our understanding of various phenomena. One example of this can be seen in neon tubes, which emit an enchanting orange glow when electricity passes through them. This phenomenon occurs due to the excitation and de-excitation of electrons within the gas-filled tube. In another instance, we observe the subtractive process using green, red, and blue colored disks with pigments that absorb specific colors from white light passing through them. This showcases how different materials selectively absorb or reflect certain wavelengths, resulting in vibrant hues. Moving further along the spectrum, we encounter light-emitting diodes (LEDs) like the green one shown here. These tiny devices emit focused beams of light and have revolutionized various industries with their energy efficiency and versatility. Artwork C016 / 9846-9849 beautifully captures the visible light spectrum with its vivid display of colors. Each piece represents a unique arrangement showcasing different shades and intensities found within this portion of the electromagnetic spectrum. As we delve deeper into this captivating realm, artwork C016 / 9844 presents an artistic interpretation encompassing not only visible light but also other forms such as infrared and ultraviolet radiation. It serves as a reminder that there is more to explore beyond what meets our eyes. Amidst all these scientific wonders lies nature's own masterpiece – the red-winged parrot. Its vibrant plumage reflects how living organisms utilize coloration for communication or camouflage purposes across multiple sections of the electromagnetic spectrum. Even modern technology utilizes thermal imaging techniques showcased by laptop computers' thermograms. By detecting variations in heat emissions, these devices enable us to visualize temperature differences within objects or environments accurately. The electromagnetic spectrum truly unveils an awe-inspiring world filled with diverse radiations ranging from visible light to infrared, ultraviolet, and beyond.