cursors Inuit snow goggles function by reducing exposure to sunlight‚ not by reducing its intensity In prehistoric and historic time‚ Inuit peoples wore flattened walrus ivory "glasses‚" looking through narrow slits to block harmful reflected rays of the sun.[3] It is said that the Roman emperor Nero liked to watch gladiator fights with emeralds. These‚ however‚ appear to have worked rather like mirrors.[4] Sunglasses made from flat panes of smoky quartz‚ which offered no corrective powers but
Premium Sunlight Ultraviolet Glasses
Investigation of the effect of light intensity Equipment: * Data loga * Light sensor * Bulb * Metre ruler X3 Variables: Independent variable – distance of the light sensor from the light source (m) Dependant variable – intensity of light (lux) Control | Why it needs to be controlled? | How will you control it? | Bulb | There are different watts in different bulbs | Use the same bulb‚ but if your one does break half way through the experiment you can use another bulb with the
Premium Light Sunlight Incandescent light bulb
Photosynthesis is the process by which plants convert sunlight into suitable energy. (http://www.yourdictionary.com/photosynthesis) Photosynthesis actually takes place in the stomata where carbon dioxide and oxygen enter and leave the plant. Chlorophyll is the green pigment of leaves and plants that’s in charge of absorbing light for photosynthesis. (http://dictionary.reference.com/browse/chlorophyll) All chlorophyll plants require sunlight‚ but in very different amounts‚ which should be considered
Premium Plant Photosynthesis Chlorophyll
grows into the cornea.” As a pterygium grows‚ it may become red and irritated. It can vary from small‚ atrophic quiescent lesions to large‚ aggressive‚ rapidly growing fibrovascular lesions that can distort the cornea. UV radiation (usually from sunlight) is the most common cause of pterygium. This explains why pterygium occurs with increasing frequency in climates approaching the equator. Other causes include continuous exposure to dry‚ dusty environments. People who spend significant time doing
Premium Eye Ultraviolet Acupuncture
Report: The effect of daily treatment with UV light of turf grass greens infected by Sclerotinioria homoeocarpa and Microdochium nivale. Introduction In the Netherlands‚ golf is increasing in popularity and the present golf courses are occupying 7300 hectares in total (Zibb: Portal voor ondernemers. Tips‚ tools en het laatste nieuws). Turf grasses are plants that are made very susceptible to infection by fungi because of their prerequisites. Especially the greens have high demands: The grass
Premium Ultraviolet Fungus Plant
The Iguana or Thai Water Dragon Things to consider before purchasing. COM/155 INSTRUCTOR PATRICIA JORDAN July 29‚ 2012 Authored by: Kelly Robertus The Iguana V’s the Thai Water Dragon If you are thinking of adding a new pet to your family there are many to choose from. Two interesting ones are the Iguana and a Thai Water Dragon. When making the decision‚ here are some things to consider. The kind of time they require to care for to have long and healthy lives. The kind of
Premium Tank Sunlight Humidity
Seasons Change Is it here‚ can it be? Every morning‚ as the months pass‚ it stays around just a little bit longer. Until finally it stays for a short lived‚ well needed 3 beautiful months. Its summer time! It is my favorite season of the year. From the time I could say sunshine‚ up until this very day‚ summer time is my time of healing! Its what seems to get me through the entire year. It is the one thing that even through the years of growing up‚ and now with kids of my own‚ and college
Premium Season Sun Prince
Window tint film is presently getting to be perceived as one of the financially savvy methods for protecting your auto‚ home or office‚ and can significantly decrease your vitality charge and diminish your carbon impression. Numerous new structures far and wide require window tinting as standard keeping in mind the end goal to meet vitality rating accreditation. With exploration and innovation progressing in this field‚ lighter and less nosy window tinting is currently being made with about all the
Premium Ultraviolet Ultraviolet Sun
A SEMINAR REPORT ON AGEING OF BITUMEN ABSTRACT Bitumen is a common binder and has gradually replaced road tar for construction purposes mainly because of the cancer risk. It is a mixture of organic liquids that are highly viscous‚ black‚ sticky and entirely soluble in carbon disulfide. The ageing of bitumen is a complex process based on the chemical composition of the bitumen‚ the pavement structure and climate. It leads to deterioration of pavements and leads to loss of adhesive
Premium Ultraviolet Temperature Sun
Ever been out in the sun enjoying the day and living life to its fullest? Even then there are dangers the are unknown to most people since it is viewed more simply as a necessity for everyday life‚ and that is the sun. However‚ a major challenge in the field of dermatology is handling patients with skin cancer because of the different problems that arise such as patients who are exposed to excessive ultraviolet exposure through the sun or artificial machineries‚ diagnosing the disease‚ and ultimately
Premium Ultraviolet Cancer Sunscreen