Insects see green, blue and ultraviolet, and they see various shades of ultraviolet.

Then there's ultraviolet light.

Ultraviolet rays can cause skin cancer.

It is located next to the existing irradiation facility for medical products.

Similarly, the Extreme Ultraviolet Explorer (EUVE), launched in June 1992, produced the first all sky map in four extreme ultraviolet wavelength bands.

B. Spectrum UV mission an internationl ultraviolet laboratory

(e) Ultraviolet Spectrograph Telescope for Astronomical Research (UVSTAR)

19. Medical irradiation is the largest source of man made exposure of the population.

So we used ultraviolet A, which doesn't make vitamin D.

Nearly 600 industrial plants use radioisotopes, e.g. in food irradiation, polymerization, industrial radiography and oil well operations.

B. Spectrum UV mission an international ultraviolet laboratory 20 24 5

The stratospheric ozone layer prevents most ultraviolet radiation from reaching earth.

And then I put some ultraviolet filters on my camera and took a very, very long exposure with the particular frequencies of ultraviolet light and this is what I got.

Its oceans evaporated and its water vapor was burned away by ultraviolet light.

So this seems to be a feature of ultraviolet rays hitting the skin.

Let's first look at the relationship of ultraviolet radiation to the Earth's surface.

This is a combination of ultraviolet degradation, atomic oxygen erosion, and hypervelocity impact.

But the active irradiation, during the UV and for an hour after it, there is dilation of the blood vessels.

Our first commercial food irradiation plant is now under construction and should be operational by the end of next year.

But they vary even more, possibly moving towards infrared and ultraviolet in the extremes.

For over fifty years, ultraviolet radiation from the sun has been the number one suspected cause of skin cancer. Epidemiologic data from Australia, animal studies with artificial sources of ultraviolet light, and the development of skin cancer in individuals with a genetic inability to correct the DNA damage caused by ultraviolet radiation provided circumstantial evidence of the connection.

In view of the long lived radionuclides in the environment, the population is still subject to chronic internal and external irradiation.

Here's another little flower different range of ultraviolet frequencies, different filters to match the pollinators.

In the winter, when you are skiing in the Alps, you may experience ultraviolet radiation.

(c) Why the ultraviolet domain should be the first component of the World Space Observatory

The results obtained through induced mutations in the space environment could not be reproduced by artificial irradiation or other methods on the ground.

And that could be the basis of a sunscreen because sunscreens work by absorbing ultraviolet light.

Conditions were significantly colder, but they were also less intense with respect to the ultraviolet regime.

So if we're somewhere in the Northern Hemisphere, look at what's happening to the ultraviolet radiation.

HST has the unique capability of imaging and measuring the spectra of distant supernovae in ultraviolet light.

The TOMS 7 satellite data, shown here, show the annual average ultraviolet radiation at the Earth's surface.

The incrementally cooler colors blues, greens, yellows, and finally grays indicate areas of much lower ultraviolet radiation.

In order to study it, it has been decided to build the International Fusion Materials Irradiation Facility (IFMIF) in Japan. Some scientists have argued that the neutron irradiation in IFMIF won t be the same as in fusion reactors, but it should be noted that its cost, at one billion euros, will be one tenth that of ITER.

So here, further data that ultraviolet that's sunlight has benefits on the blood flow and the cardiovascular system.

The population in that area continues to be subject to chronic internal and external irradiation because of the long lived radioactive nuclides present in the environment.

And so what we did was we took a bunch of volunteers and we exposed them to ultraviolet light.

The Workshop participants considered the ultraviolet domain to range from 100 to 350 nanometres (nm) in the electromagnetic spectrum.

In those early days of our evolution, looking at the equator, we were bombarded by high levels of ultraviolet radiation.

Though likely once habitable, Venus was over the course of several billion years exposed to too much heat and ultraviolet light.

The Spectrum X Gamma mission will conduct multiple experiments in a broad wavelength range from ultraviolet through Grays to gamma rays.

The Italian ultraviolet telescope has been developed within the framework of cooperation between ASI and NASA, for the study of EUV emissions.

For most of the infrared and the ultraviolet, X rays and gamma rays, instruments need to be placed just above the atmosphere.

The Institute has also been operating a food irradiation plant for over 10 years now. That plant is functioning at full capacity and mainly irradiates grains and spices. We would like to emphasize the fact that, with the support of the International Atomic Energy Agency, the Institute conducted a technical economic feasibility study which points to the possibility of establishing a number of food irradiation plants in central Mexico.

And the good thing about perceiving ultraviolet is that you can hear if it's a good day or a bad day to sunbathe, because ultraviolet is a dangerous color, a color that can actually kill us, so I think we should all have this wish to perceive things that we cannot perceive.

However, stratospheric ozone destruction in the polar regions and the consequent rise in dangerous ultraviolet radiation is still occurring at near record levels.