Typical examples are poking a hole in the snow and looking down into the hole to see blue light or the blue color associated with the depths of crevasses in glaciers. In each case the blue light is the product of a relatively long travel path through the snow or ice. So the spectral selection is related to absorption, and not reflection as is sometimes thought. In simplest of terms, think of the ice or snow layer as a filter. If it is only a centimeter thick, all the light makes it through, but if it is a meter thick, mostly blue light makes it through. 395 Fact Credit: National Snow and Ice Data Center NSIDC The National Snow and Ice Data Center
If you need to, you can add extra flavor to your iced tea with a spritz of lemon or lime. Saving 200 calories a day switching from a sugary drink to unsweetened iced tea may help you lose almost 1/2 pound a week without making any other changes to your diet or activity.
Benefits Of Iced Green Tea. Iced green tea has been used for years to treat various ailments and was popularly used by the Ancient Chinese people. In Ancient china, iced green tea was used to cure depression and headaches. Unlike your usual tea, it has low caffeine content which often causes nausea, frequent urination and insomnia.