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 ...

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 ...

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

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 ...