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Ultraviolet radiation (UV) is a type of radiant energy, much like the light we see, but with a smaller wavelength and higher energy. It is defined as the light in the spectrum of wavelengths between 40-400 nanometers.[1] This means that it lies between visible light and x-rays on the electromagnetic spectrum as seen in Figure 1.

I Albert-Smet · 2019 · 82 — In this paper, we explore different approaches where light-sheet microscopy can achieve single-cell and subcellular resolution within microdevices.

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Waldmann Lighting™ RING LED magnifier light provides 6 diopters (2.5X) of magnification surrounded by 63 glare-free LEDs.

Magnifier Lamp is the ideal tool to view objects at three times magnification in bright light, with high-contrast and a sharply defined focus

UVA radiation has wavelengths of 320-400 nm, which means it has lower energy than other types of ultraviolet radiation but can still cause harm to humans. Initial exposure to it gives a pigment-darkening effect to human skin (tanning), but overexposure can cause sunburn, toughening of skin, cataract formation, and other unwanted effects. This is the most commonly encountered UV radiation - accounting for 95% of the UV light hitting Earth - since it penetrates the atmosphere very easily.[1][3] UVA light is used in tanning booths and phototherapy lamps.

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Prisms are special pieces of glass, plastic, or other transparent materials that can refract light. When the light emitted from the sun comes in contact with a ...

The electromagnetic spectrum spans a wide range of wavelengths from very short wavelength and highly energetic gamma rays to very long wavelength and ...

Carson™ MagniFlex Pro LED Lighted Gooseneck Flexible Magnifier is a flexible neck magnifier that comes with a magnetic base plate.

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UVB radiation is the more harmful of the two common UV categories because it has enough energy to cause photochemical damage to cellular DNA.[1] Both UVA and UVB are necessary for the synthesis of vitamin D, but it is important to be exposed to them in moderation. Overexposure to UVB light causes much of the same symptoms as UVA, but it is also known to be a cause of skin cancer. Most UVB light is blocked by the ozone layer. The known holes in the ozone layer are a cause for concern because this will lead to an increase in the chances of contracting skin cancer.[1][4]

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The intensity of transmitted light becomes maximum when the inserted polaroid and analyser (the Polaroid which receives light that is transmitted by inserted ...

Smart Vision Lights manufactures High Output LED arrays with built-in drivers for the Advanced Imaging Industry. #machinevision #ledlights #innovation.

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Waldmann Lighting™ Tevisio and Televisiomax magnifier lights combine the latest in LED technology with magnification. Ideal for the lab, research, or any work surface where glare-free close-up work is necessary.

Ideal for use on workbenches, lab tables, desks or any work surface. The Waldmann Lighting™ Omnivue and OmnivueMax LED Magnifier Lights offers precise positioning and ergonomic easy viewing.

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There exists a "UV index" included in most weather forecasts which help people to prepare for the harmful rays. Environment Canada has a useful table for understanding the UV index, available here.

There are different sub-categories of UV radiation: Vacuum UV, Far UV, UVC, UVB, and UVA. The first three mentioned are almost never encountered on Earth as they are absorbed by the atmosphere. The last two, UVB and UVA, are encountered very frequently.

650nm Laser Pointer With Laser Head Visible Beam Light Adjustable Burning Match Lasers Pointer For Hunting. Add. $7.00. current price $7.00. 650nm Laser Pointer ...

The key to the UV adhesives---no snarkiness intended---is that the UV has to be able to get to pretty much all of the resin for it to cure properly. When it can ...

UV is invisible to human eyes and the effects on skin are not immediate, so the consequences of overexposure can very easily sneak up on someone. However, there are many ways to protect against UV radiation: