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When an electric field is applied, the liquid crystal changes its alignment and becomes transparent or nontransparent, depending on the materials used. The display is not the problem for the Polytron phone which sports an OLED-based liquid crystal device.

Negative Effects of Too Much Screen Time: Eye Strain and Headaches - Too much time spent looking at screens can cause fatigue or discomfort in your eyes as well as dimmed vision. Glare on screens and the brightness of the display can place further strain on your eyes. Eventually, this strain can lead to headaches.

The latest smartphone innovation is a flexible e-ink displace that is writable and bendable. In fact, physically bending the paper-thin phone allows you to control the device. The phone is capable of remembering and performing functions with the slightest warping of the flexible computer.

Create a ?Cell Phone Jail? You can make a classroom cell phone jail where the phones of students who aren't complying with the cell phone policy can go for the rest of the class period. If you see a student using their phone, ask them to place their phone in 'jail' for the remainder of the period.

Paper Phone is an experimental app which helps you have a little break away from your digital world, by printing a personal booklet of the information you'll need that day.

Phones, like any other wireless products, include antennas. Antenna in a phone launches radio waves into space and these waves are picked up by a receiver in the cell phone tower. Antennas in cell phones radiate and capture the radio signal which is used to communicate.

Thin phones offer convenience, comfort, and versatility. However, you should look for critical attributes to pick up a phone that suits your needs. Specifically, try to look for a phone that has the following: Enough storage space.