Brain-Computer Interfaces (BCIs) are emerging as transformative tools that enable direct communication between the human ...

Unlike wearables that infer brain activity from physical metrics, EEG sensors directly measure electrical activity in the brain, providing real-time insights into cognitive states.” — Emmanouil ...

You would have probably read about the SONAR that’s used in ships. By taking the same concept into a small form factor we get a distance sensor. This sensor is available in multiple variants and I’ll ...