Students Invent Quieter Leaf Blower/VIDEO (VIDEO)

Johns Hopkins University

Caption

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 banned in some communities and cursed in many others.

Shocking their sponsors, their advisers and even themselves a little, the students did it.

Credit

Aubrey Morse//Johns Hopkins University

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