The gaggle of Google employees peered at their computer screens in bewilderment. They had spent many months honing an algorithm designed to steer an unmanned helium balloon all the way from Puerto Rico to Peru. But something was wrong. The balloon, controlled by its machine mind, kept veering off course.

อ่านต่อได้ที่  :  โรงเรียนวัดหนองตาหลวง

สาระน่ารู้ :  examination