Japan tests automatic queue chairs
Japanese scientists have just created a self-driving chair that will help users avoid the fatigue of standing in line. The chair will detect empty seats and move flexibly to the front or back of the line.
Source: zing
| RELATED NEWS |
|---|
.jpg "400 phép thử, 200 kiểm định: Vinamilk đặt lại chuẩn sữa tươi Việt")
