“Kevin Leiser starts with his eyes closed and his back to the target. As he turns and raises the compound bow, he keeps his eyes shut, listening to the beeping in his headphones. He adjusts his aim until the beeps merge into a solid tone that comes through evenly in both ears. He draws back an arrow, makes a few final adjustments, and fires.

Leiser, a fifth-year student studying electrical engineering at Northeastern, usually shoots with his eyes open. But he has spent the past two semesters working with a team of his peers to build a system that would enable visually-impaired individuals to aim and fire a bow on their own.

“We wanted to…”