What is the electromagnetic spectrum? By Jonathan O'Callaghan 29 October 2021 Reference Why the electromagnetic spectrum, and the electromagnetic radiation it describes, is so interesting and useful for scientists and everyday life.
How does time work? By Jonathan O'Callaghan, How It Works magazine 19 May 2021 From the beginning of the universe to the present day, it’s one of the few things we regard as regular and unchanging. We look at the physics of time.
7 solar system worlds where the weather is crazy By Jonathan O'Callaghan, Daisy Dobrijevic, How It Works magazine 30 April 2021 What's the weather like on other worlds? Expect methane rain, global haboobs and a 10,000-mile-wide hurricane.
What was the Star of Bethlehem? By Jonathan O'Callaghan, All About Space magazine 21 December 2020 According to the New Testament, the Star of Bethlehem led the three wise men to Jesus' birth. Here are a few theories about what the star really was.
