Fireworks can be characterised as self-contained explosive devices which contain a mixture of many components such as oxidising agents, fuels and metal salts. We often associate fireworks with celebration, but the first fireworks were used to warn off evil spirits. Simple firecrackers are thought to have been developed around 1000 years ago by Chinese monk … Continue reading How do Fireworks Work?
If you like eating pineapple, then you’re well aware of the stinging feeling you get in your mouth after eating it. This uncomfortable sensation can last for hours and there isn’t really anything we can do but wait for it to subside. Eating a lot of pineapple often results in particularly the tongue becoming sore … Continue reading Why Pineapple Irritates the Tongue
By Jude Morrow My latest two blog posts regarding surface water on Mars and Titan seem to have generated an influx of questions. When researching material for blog series’, the questions and comments seem to give inspiration for future posts. One such comment mentioned a large reservoir of water located at a proper distance of … Continue reading Cosmic Water Series Part 3 – Water in The Early Universe.
Of all the bodies in our own solar system, Titan is definitely my favourite. The reason being, it is one of the most likely candidates for life. I'm sure plenty of subscribers are rolling their eyes thinking; here he goes about Titan again. For this series it is quite relevant as Titan almost certainly contains … Continue reading Cosmic Water Series Part 2 – Saturn’s Moon Titan.
Cancer, also known as "the dark sign", is a medium sized constellation surrounded by Gemini to the West, Leo, Canis Minor and Hydra. The Brightest star in Cancer is Beta Cancri which only has an apparent magnitude of 3.5. So it's brightest star isn't overly bright and neither are the rest of them hence the … Continue reading The Constellation Cancer
One of the biggest misconceptions about our night sky is that Polaris, commonly known as the North Star, is the brightest star in the Earth Sky. The truth is, it is between the 45th and 50th. That title of the brightest star in the sky belongs to Sirius. To the naked eye Sirius is a … Continue reading Sirius : The Brightest Star in The Sky.
Will the Universe expand forever? A frequently asked question in the comments on the website. I touched on this in the past during the cosmology and dark energy topics covered in previous posts but it certainly deserves a post in its own right. Cosmology deals largely with the universe as a whole considering all the … Continue reading Will The Universe Expand Forever?