Author: Cheron Chung

Throughout history, eye-witnesses have reported seeing “darts of light”, “rockets”, and “flames” above thunderstorms (Boeck et al. 1998). Although this may seem fantastical, they were likely a kind of lightning-related phenomena called Transient Luminous Events (TLEs). In order to understand TLEs themselves, we must first differentiate between positive and negative lightning. Negative lightning is negative…

If I asked you what colour the ocean is, you would probably say blue. After all, this is a fundamental truth that we’ve been taught since we were young. Trees are green, fire trucks are red, and the ocean is blue. But how do we know if we are all perceiving the same colours? In…