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Ultraviolet Light facts

While investigating facts about Ultraviolet Light Uses and Ultraviolet Light Bulbs, I found out little known, but curios details like:

Reindeer are the only mammals that can see ultraviolet light.

how ultraviolet light kills bacteria?

In 2003 a teen with cancer died because his naturopathic Dr assured his parents he will cure his cancer with photo luminescence: taking a vial of blood from him, exposing it to ultraviolet light from a device, injecting the treated blood back in a hydrogen-peroxide solution. He died 9 days later

What ultraviolet light does?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what is ultraviolet light used for. Here are 49 of the best facts about Ultraviolet Light Therapy and Ultraviolet Light Uses And Dangers I managed to collect.

what's ultraviolet light?

  1. Humans have the ability to see ultraviolet (UV) light, but it is filtered by the eye's lens. People who have surgery to remove the lens (typically because of cataracts) can see UV light.

  2. Reindeer (aka Caribou) see light in the ultraviolet range, and that their eyes change in colour through the seasons from gold through to blue to help them better detect predators

  3. The reason why medicine bottles are orange or light brown is because of its ability to prevent ultraviolet light from degrading the contents through photochemical reactions, while still letting enough visible light through the bottle for the contents to be seen.

  4. Humans can gain the ability to see ultraviolet light. We simply have a layer in our eyes which filters it out. Individuals who suffered eye damage from disease, injury or surgery have sometimes gained the ability to distinguish ultraviolet light.

  5. Prescription bottles are typically orange or light brown because those colors prevent ultraviolet light from degrading the potentially photosensitive contents through photochemical reactions, while still letting enough visible light through for the contents to be easily visible

  6. That, due to the presence of quinine, tonic water is fluorescent under ultraviolet light or even the sun (pics inside!)

  7. While most humans have three types of cone cells in their eyes, there are known cases where people have four, widening the spectrum and exactness of colors they can see. There are also cases where people lack a blocking lens, enabling them to see ultraviolet light.

  8. Reindeer are the only mammals that can see UV (ultraviolet) light and make sense of it

  9. Short-wave ultraviolet light is an effective disinfection technique because it destroys microorganisms nucleic acids and DNA, leaving them unable to perform vital cellular functions. It is 99.99% effective against bacteria, viruses, molds, and other pathogens

ultraviolet light facts
What animal can see ultraviolet and infrared light?

Why ultraviolet light is used?

You can easily fact check why ultraviolet light are harmful by examining the linked well-known sources.

One of the ways that food is fortified with vitamin D is to shine ultraviolet light on it, which changes some of the chemicals into vitamin D.

Humans without lenses in their eyes can see ultraviolet light better than others can see blue - source

Being indoors and having the sun shine through windows does not help your body make vitamin D. The glass doesn"t allow the type of light, called ultraviolet B light, to go through.

Sunscreen with an SPF (sun protection factor) of 8 or more will block the ultraviolet B light needed for the skin to make vitamin D.

In shortwave ultraviolet light benitoite will appear as strongly fluorescent light blue. Some crystals form a dull red in longwave.

When ultraviolet light strikes dna it can cause?

Hertz discovered the photoelectric effect which states that a charged object loses its charge faster when exposed to ultraviolet light.

How ultraviolet light works?

Chameleons have very good eyesight and they are able to detect small insects that are 5 to 10 meters away. They are also able to detect ultraviolet light.

According to evolution experts, the first humans, who originated from Africa, most likely had light skin underneath their hairy pelts: “If you have body hair, you don’t need dark skin to protect you from ultraviolet radiation.”

The KGB used "spy dust," the chemical compound NPPD, during the Cold War to track Americans in Moscow by applying an almost invisible powder to their clothing, cars, doorknobs and other objects. Some other variants of “spy dust” may have contained luminol and would glow under ultraviolet light.

Some birds have patterns in their feathers that are invisible to humans, but which become visible under ultraviolet light. Since birds have UV vision, the patterns are likely used for mating displays.

Radio waves are not the only type of electromagnetic wave. Other types include radar, bluetooth, ultraviolet light waves, microwaves, x-rays, and infrared.

When ultraviolet light is incident on a photocell?

Computer chips are generated by casting ultraviolet light through a larger transparent diagram of the computer chip. The light is cast against a layer of resistant fluid on a silicone disk, then the rest is washed away.

Ultraviolet light can cause beer to become “lightstruck,” reacting with alpha acids in hops causing them to breakup and recombine with sulfur components creating 3-methyl-2-butene-1-thiol, which is similar to skunk spray.

Hummingbirds can see and hear better than humans. They can even detect ultraviolet light. They do not have the sense of smell.

Fluorescence of visible wavelengths under ultraviolet (UV) light has been previously detected in a wide range of birds, reptiles, and amphibians and a few marsupial mammals. It was recently discovered in New World flying squirrels, they glow a brilliant, bubble-gum pink under ultraviolet light.

Hippopotamuses' skin secrete a natural red-colored substance which is referred to as "blood sweat". It inhibits the growth of disease-causing bacteria, and its light absorbing effect peaks in the ultraviolet range, creating a sunscreen effect.

How ultraviolet light is produced?

Fruit juice can cause a chemical reaction with sunlight that makes skin hypersensitive to ultraviolet light.

The ozone layer is able to absorb up to 98% of the sun's ultraviolet light, and 90% of the ozone is located in the stratosphere layer of the atmosphere.

Nuclear Winter: Global precipitation would drop by around 45%. Surface temperatures plunge 17F to 20F. Almost nothing would grow, ensuring starvation. The depleted ozone layer allows ultraviolet light to surface. A Caucasian person couldn’t go outside for a few minutes before getting a sunburn.

Goldfish are believed to be the only animal that can see both infrared and ultraviolet light.

Although chameleons are not social animals, they tend to stick together and even to mate more intensively when they are exposed to the ultraviolet light.

Reindeer are the only mammal that can see ultraviolet light, so they don’t suffer the effects of snow blindness.

Humans have the ability to see ultraviolet light, but it is filtered by the eye's lens. People who have surgery to remove the lens (typically because of cataracts) can see UV light.

Laundry detergent brightening agents are chemical compounds that absorb invisible ultraviolet light and re-emit visible blue light, thus making white clothing appear objectively brighter in sunlight.

Neil Harbisson, a cyborg artist, was born with a disorder that only lets him see in grayscale. He permanently affixed an antenna with a light sensor to the back of his skull and is the only person able to 'hear' colors, including ultraviolet and infrared colors.

Scorpions will fluoresce bright blue/green under ultraviolet light!

RapidPass, a high-tech piece of roadside equipment that uses infrared and ultraviolet light beams to test the quality of the air around a car, then snaps a pic of the plate

Cell phone cameras can see the ultraviolet light that remote controls produce.

Scorpions glow a vibrant blue-green under ultraviolet light (blacklight)

When the Hope Diamond is put under ultraviolet light it will continue to glow an orangish red color for almost 30 seconds after the light source is no longer present, longer than any diamond in existence.

This is our collection of basic interesting facts about Ultraviolet Light. The fact lists are intended for research in school, for college students or just to feed your brain with new realities. Possible use cases are in quizzes, differences, riddles, homework facts legend, cover facts, and many more. Whatever your case, learn the truth of the matter why is Ultraviolet Light so important!

Editor Veselin Nedev Editor