This Week in Tech: Jan 13 – 19, 2018

Researchers propose using lasers to zap potentially dangerous space debris

An AI beat humans on a Stanford University reading comprehension test

Researchers build the world's biggest smog tower in China to reduce pollution

Nissan's new SUV concept features a total of seven digital screens

Denmark breaks its own record for electricity generated via wind power

Waymo is testing a self-driving minivan in San Francisco