News Encyclopedia: Hong Kong students injured after disregarding dust explosion risks

Twelve students were injured when a fire broke out in a dormitory at the Hong Kong Baptist University last week. Media cited firefighters saying that initial investigation led them to suspect that flour thrown in the air while candles were burning during a birthday party at the dorm could have started the blaze. So how are dust explosion triggered? Winmas Yu explains in this episode of News Encyclopedia.

Source: Wikimedia/ Hans-Peter Scholz (CC BY-SA 3.0)