mantis shrimp: A marine animal related to crabs and lobsters. Mantis shrimp use armlike body parts to kill prey. They are often multicolored and have a very complex vision system.

angle: The space (usually measured in degrees) between two intersecting lines or surfaces at or close to the point where they meet.

Light can become polarized when reflecting off flat surfaces like puddles and pavement. Polarized sunglasses can then specifically block out those polarized light waves, reducing the glare that reaches a driver’s eyes.

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Light can also become polarized as it passes from one type of material into another. This is a process called refraction. And light can become polarized when it bounces, or scatters off atoms as it passes through a substance. This happens to moonlight and sunlight that travels through Earth’s atmosphere.

Without tools like sunglasses, humans typically can’t detect the polarization of light. But other animals can. Examples include mantis shrimp, fiddler craps and some beetles, birds and fish.

Light sources from lamps to stars typically give off light waves that wiggle at a range of different angles. This jumble of waves is known as unpolarized light. Polarized light, on the other hand, is unjumbled: its waves all wiggle the same way, at the same angle. (For help picturing this, check out the artist’s depictions at 1:30 in this PBS video.)

Light is made up of waves. They wiggle as they zip through space. They can wiggle up and down, left and right, and any angle in between. Light is polarized when its waves all wiggle at the same angle.

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The light works good and came well packed. I bought the set 30x. But mine looks different to the pictures on the site. All my lights in the set have on every site an cable and no switch. Is it an old version?

Founded in 2003, Science News Explores is a free, award-winning online publication dedicated to providing age-appropriate science news to learners, parents and educators. The publication, as well as Science News magazine, are published by the Society for Science, a nonprofit 501(c)(3) membership organization dedicated to public engagement in scientific research and education.

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Die Zusatzleuchten kamen gut verpackt an und ließen sich sehr leicht öffnen und aufstellen. Es hat alles genauso funktioniert wie in der Anleitung beschrieben. Ich lasse die UV-Strahlung zwei und zwölf Stunden lang eingeschaltet. Und die IR-Strahlung ist 15 Minuten lang eingeschaltet, bevor das Licht eingeschaltet wird, und 15 Minuten danach. Alles funktioniert genau so, wie das Produkt beschrieben wird.

Maximize Crops With Full Adlite Lightings: it's crucial to add supplemental lights to optimize plant growth, Adlite UV30/IR15/Deep Red30 are recommended for main lights under 500W, such as FC4800, FCE4800, TS3000, and SP3000.

refraction: The change in direction of light (or any other wave) as it passes through some material. For example, the path of light leaving water and entering air will bend, making partially submerged objects to appear to bend at the water’s surface.

Supplementation of UV light in full spectrum grow light cultivation or other specific cultivation improves plant nutritional quality and stimulates biomass production.– Learn more about ADlite (Please note: The included timer comes with a German-standard plug.)

Suitable for Specific Plants: Adlite UV30 light is particularly beneficial for plants that naturally receive more UV exposure in their natural habitats, such as certain herbs, fruits, and flowers.

molecule: An electrically neutral group of atoms that represents the smallest possible amount of a chemical compound. Molecules can be made of single types of atoms or of different types. For example, the oxygen in the air is made of two oxygen atoms (O2), but water is made of two hydrogen atoms and one oxygen atom (H2O).

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Light can become polarized when it bounces off of a surface. The amount that it is polarized depends on the angle at which the light hits the surface. It also depends on what the surface is made of.

beetle: An order of insects known as Coleoptera, containing at least 350,000 different species. Adults tend to have hard and/or horn-like “forewings” which covers the wings used for flight.

glare: Also called direct glare, it is light that travels directly from a light source and into someone’s eyes. It reduces the ability to see at night. Direct glare is one of three types of light pollution.

filter: (n.) Something that allows some materials to pass through but not others, based on their size or some other feature. (v.) The process of screening some things out on the basis of traits such as size, density, electric charge. (in physics) A screen, plate or layer of a substance that absorbs light or other radiation or selectively prevents the transmission of some of its components.

Disease Prevention: Adlite UV30 light exposure prompts plants to produce secondary metabolites, such as flavonoids and anthocyanin, which help prevent the growth of certain pathogens and molds to improve plant health.

Week 6, UV 5 times for 5 minutes, three of them when the light is at 100% and once before and once after. I use a minimal amount of uv light to relieve psoriasis. Two in one. I am very happy. 😑S😑U😑N😑R😑I😑S😑E😑

Sunlight reflecting off water, for instance, can become polarized. The incoming light waves from the sun wiggle all different ways. But the light waves that bounce off the surface of the water are all mostly wiggling at the same angle. Pavement is another surface that can polarize reflected light.

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Maria Temming is the Assistant Managing Editor at Science News Explores. She has bachelor's degrees in physics and English, and a master's in science writing.

polarization: (in physics) The condition — or creation of a condition — in which rays of wavelengths of light exhibit different properties when viewed from different directions.

Produce More THC: Proper UV light for plants can also improve the nutritional quality of plants and stimulate biomass production by stressing them.

Another way to polarize light is to pass it through a filter. Such filters are made up of molecules that are all aligned the same way. This allows only light waves wiggling at specific angles to pass through. For example, some sunglasses contain polarizing filters. These glasses help reduce the amount of reflected light — or glare — that reaches a wearer’s eyes. That can block out glare from roadways or puddles to help protect drivers’ eyes and allow them to see more clearly.