摘要
当美国加利福尼亚州圣马特奥高中的学生在2019年年初拿到课本时,还收到一个用来锁住手机的Yondr袋子。手机被放入袋中,然后会被一个有磁力的装置锁住。直到放学铃响后,这个装置才会解锁。该程序在2019学年余下的每一天重复运行。这个学校的副校长亚当·格尔布在2018年和20名学生一起试验了这个项目,他决定2019年在全校实行铃声对铃声项目。
When students got their textbooks in early 2019 at San Mateo High School in California,USA,they also received the Yondr pouch,a locking device for their phones.The phone slides into it and gets locked through a magnetic device.Ifs not unlocked again until the final bell rings.The procedure repeated every day for the rest of the school year.Adam Gelb,the assistant principal ran a pilot project in 2018 with 20 students and decided to do a school-wide,bell to bell program in 2019.