We can’t live without stairs. Too often, however, stairs can make it difficult to live.
Whether at work or at home, using stairs while carrying heavy things is a chore at best — and a dangerous hazard at worst. For the elderly and disabled especially, stairs represents an obstacle in their own houses.
Quantum Robotic Systems (QRS) is developing mobile service robots and semi-automated carts that can carry heavy loads up and down stairs for you.