Neural interfaces, also known as brain-computer interfaces (BCIs), represent one of the most profound technological leaps toward blending human cognition with machines. By establishing a direct communication pathway between the brain and external devices, BCIs have the potential to revolutionize medicine, communication, and even human evolution. Current applications primarily focus on restoring lost functions—such as enabling paralyzed individuals to control prosthetics or communicate via thought alone—but the technology’s future extends far beyond therapeutic use. Imagine uploading knowledge directly to the brain, controlling smart homes or virtual environments with pure intent, or enhancing cognitive abilities through real-time data feeds. Companies like Neuralink and academic labs worldwide are racing to improve the safety, bandwidth, and longevity of neural implants, pushing the boundaries of how intimately humans and machines can integrate. Yet, this convergence raises profound ethical questions: What does it mean to be human when thoughts can be read, altered, or augmented? How do we protect neural privacy against hacking or misuse? Could BCIs exacerbate social inequality by creating “neuro-enhanced” elites? As neural interfaces mature, they challenge not just technology but our notions of identity, autonomy, and free will. Merging minds with machines could unlock unimaginable potential—but also usher in a new era of ethical complexity.