Sentences with phrase «effect of ultraviolet light»

Among their many activities, the Techbridge girls at John Swett wrote and produced an educational video on the phases of the moon, launched a campaign to educate the community about the harmful effects of motor oil and lawn fertilizer runoff seeping into San Francisco Bay, and studied the effect of ultraviolet light on plant growth.

Its purpose is to help people to effectively protect themselves from UV light, which causes sunburns, eye damage such as cataracts, skin aging, and skin cancer (see the section health effects of ultraviolet light).

The other photographs on view, of glaciers in Iceland taken from 2001 to 2008, illustrate the effects of ultraviolet light on this landscape over time: the icebergs appear dramatically diminished in size in the later photographs.

Not exact matches

The combined effects of micro-filtration and ultraviolet light provide added assurance of product disinfection and safety.

At six of the sites, the team also irradiated the samples with ultraviolet (UV) light, mimicking the effects of sunlight.

Those effects will likely differ depending on the kind of plastic, which varies depending on its starting polymer and the additives used to impart certain qualities such as flexibility, sturdiness or durability under ultraviolet light.

The effect of the GS - DProSw molecule can be «switched off» by ultraviolet light prior to therapy.

To investigate this effect, Clements and his team placed screens over small segments of a dozen mountain streams to block ultraviolet light, and left them there for 60 days.

The research team then focused a beam of vacuum ultraviolet light from the synchrotron on the heated gas mixture that knocked away electrons (an effect known as ionization).

C. Carreau, ASPERA - 4 & MAG teams, Venus Express, ESA Annotated image illustrating loss of hydrogen through plasma wake Venus may have lost oceans of water due to a runaway greenhouse effect which evaporated water into the upper atmosphere, where ultraviolet light dissociated water into ionized atomic hydrogen and oxygen (some later incorporated into carbon dioxide) that were blown away by the Solar wind due to the lack of a strong magnetic field like the Earth's (more).

Flavonoids are phytochemicals that boast antioxidant properties, aid the absorption of ultraviolet light and have beneficial effects on skin health.

Recalling the discovery that led to the suite of photographs, Tuft says, «Since 1998, I have been photographing the visual effects of both ultraviolet and infrared light on the earth's landscape.

The interactive, site?specific installation made from Styrofoam, phosphorescent pigment, and ultraviolet light explores the effects of light and audience participation - themes central to Sonnier's creative output.

Tuft's rich color photographs capture the high levels of ultraviolet light in Antarctica, thereby exposing the visual effects of years of climate change.

The Met Office state «The «greenhouse effect» is the way the atmosphere traps some of the energy we receive from the Sun (infrared radiation or heat, ultraviolet and visible light) and stops it being transmitted back out into space».

The greenhouse effect works like this: Energy arrives from the sun in the form of visible light and ultraviolet radiation.

Everything from beer to medicine is bottled in dark colored bottles in a bid to keep ultraviolet light (and visible light as well with regard to beer) from reaching the contents — the effects of which can range from irritating (when your beer doesn't taste right any more) to life threatening (when your medication has begun to break down and is no longer effective).