Engineering

Engineering students invent a quieter leaf blower

The challenge before Johns Hopkins University engineering students: Take a leaf blower, but make it quiet. Make it work as powerfully as ever, but do not allow it to emit the ear-piercing caterwaul that has gotten leaf blowers ...

Robotics

Manipulation technology makes home-helper robot possible

Parents spend roughly 300 hours each year cleaning up after their kids. That's nearly two weeks that could be otherwise spent doing anything else. Researchers in Carnegie Mellon University's Department of Mechanical Engineering, ...