In Compliance News

Ariens has recalled approximately 5,700 snow throwers and power brushes due to an amputation and laceration hazard. A drive pulley could crack while the equipment is in use and the auger or brush could continue to rotate after the clutch lever has been disengaged.

A team of scientists from Northwestern University have found a crystal form of the chemical compound tin selenide to be the best material to use to covert waste heat to useful electricity.  Tin selenide poorly conducts heat making it the most effective thermoelectric material to date.