High-unit ozone plate: this machine has a maximum rate of 40,000 mg/h, perfect for use in areas up to 8000 square feet. It features an ceramic ozone plate, which is more durable and has a longer ...

A new study published in the journal Atmospheric Chemistry and Physics reveals a 17-year delay in the projected recovery of ...

Plans to use ozone machines to disinfect classrooms have been abandoned, the Welsh government has confirmed. The machines are potentially "highly harmful" to children, a review found. Ministers ...

Eugène Jacot des Combes. Y et another Parisian watchmaker (after Ernest-Narcisse Lobbé) invented an early keyboard adder in ...

Welsh ministers had announced they would spend £3.31m on new ozone machines developed by Swansea University. But two days later BBC Wales was told no decision was taken to buy them, with ...