Filipino Invention: Eco-friendly Airconditioner called AirDisc

While working for an eco-friendly oven for a school project when she was in grade 10, Maria Yzabell Angel Palma stumbled on the idea of making an airconditioner that does not use ozone-depleting coolants. Two years later, the AirDisc was born and she became known far and wide. Source: Filipino Invention: Eco-friendly Airconditioner called AirDisc