A new wave of chatbots are replacing physicians and providing frontline medical advice—but are they as good as the real thing?
We’ve been using it to type for 144 years. Here’s why it works, and what it would take for us to give it up.
Machine-vision systems can match humans at recognizing faces and can even create realistic synthetic faces. But researchers have discovered that the same systems cannot recognize optical illusions, which means they also can’t create new ones.