AI INNOVATION on Instagram: "🤯MIT built a brain-computer interface without touching the brain. While Neuralink needs skull surgery and robotic implants, MIT engineers created the MouthPad—a 0.7mm retainer that sits on the roof of your mouth. It works like a wireless trackpad. Your tongue controls the cursor. Tap to click. Swipe to scroll. All via Bluetooth. Over 100 paralyzed users are already using it daily—up to 9 hours straight. One college student with quadriplegia uses it to write math equ