Some schools ban cellphones from their campuses entirely. This means that students are punished just for being caught with cellphones, whether they are using them or not. In order to circumvent these bans and have their beloved gadgets available as soon as they leave school grounds, some students are using a peculiar valet service ... to check their cellphones
Eyesight-Adjusting Screens- This prototype concept is hi-tech -- rather than having to wear glasses to see better, it lets the object adjust to your eyesight. This idea by Ryan Jongwoo Choi is called the i-Free.