Leaf-blowers are the bane of suburban Sunday mornings. Now a team of engineering students at Johns Hopkins University has invented a kind of silencer attachment to radically reduce noise, which could ...

Electric leaf blowers are already far quieter than their gas-powered peers, but they still aren’t the kind of thing you’d like to hear first-thing on a Saturday morning. Looking to improve on the ...

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 ...

Stoddard Silencers Inc. of Grayslake, Ill., makes industrial-grade silencers and filters for blowers, fans, engines, compressors and vacuum pumps. The company's new product, Perma Pack, is designed ...