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Samsung Gravity (original) The Samsung Gravity (SGH-T459) is a slider feature phone with a full QWERTY keypad. It was first released for T-Mobile USA. The Samsung SGH-T349 is a mobile phone available through T-Mobile and announced on May 20, 2009 that has many similarities to the original Gravity.
This is a list of 3D-enabled mobile phones. The devices on this list typically use autostereoscopic displays. Some devices may use other kinds of display technology, like holographic displays or multiscopic displays. Some devices employ eye tracking in aiming the 3D effect to the viewer's eye. Opic Technologies, Inc. offers a 3D smartphone with ...
Blue light harms our vision by damaging the eye's retina. The study found blue light turns a molecule in the eye into a cell-killing poison. It kills photoreceptor cells, which do not regenerate.
Back-illuminated sensor. A back-illuminated sensor, also known as backside illumination ( BI) sensor, is a type of digital image sensor that uses a novel arrangement of the imaging elements to increase the amount of light captured and thereby improve low-light performance. The technique was used for some time in specialized roles like low-light ...
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Reaction arrows about the output axis (blue) correspond to forces applied about the input axis (green), and vice versa. A gyroscope is an instrument, consisting of a wheel mounted into two or three gimbals providing pivoted supports, for allowing the wheel to rotate about a single axis.
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]
Mobile phones continue to become more multifunctional and sophisticated, which exacerbates the problem. [46] In 2014 the BBC reported concerns from opticians regarding blue-violet light emitted by cell phone screens, that it may be potentially hazardous to the eye and long term it may possibly increase the risk of macular degeneration. [47]