What is Time? When Did Time Begin?
What is Time? When Did Time Begin? “A mystery is only a mystery as long as it remains uninvestigated, sir.“ – Data, Star Trek: The Next Generation In everyday life here on Earth, time can be seen as an invisible straight arrow on which we track when events in our lives occur. Our clocks measure how long an event lasts using familiar units like seconds, minutes, and hours. Time vs. Spacetime It’s important to understand that time is viewed differently in science. “What we have to do is treat time as an additional dimension. Space has three dimensions: left-right, up-down, and forward-backward. When we try to add time into space, we create four coordinates and a four-dimensional space.” Why do we treat time as a dimension? When Did Time Begin? No one knows exactly when time began. No scientist found the origins of time. And humans weren’t handed a cosmic…
What is a Storm Glass?
What is a storm glass? Long before the popular TV source RTÉ – and even further back, before the 17th century—people relied on keen observation to predict the weather. Changes in cloud formations or wind direction were often key natural indicators of what was to come. But what is a storm glass? Can it predict the weather? A storm glass is a glass container that is sealed and filled with water and chemicals, and demonstrates a chemical process of crystallisation. The storm glass was used to predict weather changes based on the appearance of the crystals inside the container. What is it made of? The liquid in a storm glass is a mixture of various ingredients, often containing distilled water, ethanol, camphor, ammonium chloride, and potassium nitrate. Who Invented the Storm Glass? The credit goes to Robert FitzRoy, an English Meteorologist and Officer of the Royal Navy. Although a device…