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The Samsung SGH-T669 is a 3G -capable smartphone manufactured by Samsung. In the US it is also called the Samsung Gravity T; in Canada, the Samsung Gravity Touch . Various experts have reviewed it. PCMag.com's Jamie Lendino praised the phone's comfortable keyboard, but criticized the phone's sluggish performance. [5]
The eye contains several photostable pigments that all absorb in the short wavelength region, and hence contribute somewhat to the red eye effect. [2] The lens cuts off deep blue and violet light, below 430 nm (depending on age), and macular pigment absorbs between 400 and 500 nm, but this pigment is located exclusively in the tiny fovea .
Conjunctivitis. Conjunctivitis, also known as pink eye, [ 4] is inflammation of the outermost layer of the white part of the eye and the inner surface of the eyelid. [ 5] It makes the eye appear pink or reddish. [ 1] Pain, burning, scratchiness, or itchiness may occur. [ 1] The affected eye may have increased tears or be "stuck shut" in the ...
The name moonstone derives from the stone's characteristic visual effect, called adularescence (or schiller), which produces a milky, bluish interior light. This effect is caused by light diffraction through alternating layers of orthoclase and albite within the stone. The diffracted light varies from white to blue, depending on the thinness of ...
After years of investing in self-checkouts, Five Below, Dollar General and others are refocusing on human cashiers, citing long-running concerns about lost inventory.
The gravitational redshift of a light wave as it moves upwards against a gravitational field (produced by the yellow star below). The effect is greatly exaggerated in this diagram. In physics and general relativity, gravitational redshift (known as Einstein shift in older literature) [ 1][ 2] is the phenomenon that electromagnetic waves or ...
The Samsung Gravity series of mobile phones includes: Samsung Gravity, released November 7, 2008. Samsung Gravity 2, released in August 2009. Samsung Gravity 3, released in June 2010. Samsung SGH-T669 (known as the "Gravity T" or "Gravity Touch"), a feature phone also released in June 2010. Samsung Gravity Smart, an Android smartphone released ...
Tiger's eye (also called tiger eye) is a chatoyant gemstone that is usually a metamorphic rock with a golden to red-brown colour and a silky lustre.As members of the quartz group, tiger's eye and the related blue-coloured mineral hawk's eye gain their silky, lustrous appearance from the parallel intergrowth of quartz crystals and altered amphibole fibres that have mostly turned into limonite.