Sains Posted: Sabtu, 13 Oktober 2018 | 12:30 WIB Ini Efeknya Jika Kamu Keseringan Natap Layar Smartphone Ternyata berbahaya juga lho. Dinar Surya Oktarini Ilustrasi menatap smartphone. (VideoHive) Error 404 (Not Found) 404. That's an error. The requested URL was not found on this website. That's all we know. go Home.