Researchers are already building the foundation for sentient AI

Few sci-fi tropes are more reliable in enthralling audiences than the plot of artificial intelligence betraying mankind. Perhaps this is because AI makes us confront the idea of what makes us human at all. From HAL 9000, to Skynet, to Westworld's robot uprising, the fears of sentient AI feel very real. Even Elon Musk worries about what AI is capable of. But are these fears unfounded?