Credit: STS 3D/TikTok. One of the wildest videos to go viral on TikTok recently caught everyone by surprise. It featured an engineer who built his own AI-assisted robot that aims and shoots a rifle using voice commands. “ChatGPT, we’re under attack from the front left and front right. Respond accordingly,” the inventor, known only by his online moniker STS 3D, declares calmly. The rifle, mounted on a robotic arm, pivots instantly. It swivels left, then right, firing a barrage of blanks precisely...