There’s a silver tsunami coming: By 2050, the number of Americans over the age of 65 will double, and the number over 85 will triple. In an ideal world, each would have at least one human caregiver to meet their physical and emotional needs as they age. But that’s not a reality for most people. Enter the robot caregiver. Robots could help solve this workforce crisis, just as robotics have already started to impact the wider health care industry.