Earth is constantly bombarded by fragments of rock and ice, known as meteoroids, from space. Most meteoroids are as small as grains of sand and small pebbles, and burn up completely high in the atmosphere. You can see meteoroids larger than about a golf ball as they glow like meteors or shooting stars on a … Read more
The frequency is inversely proportional to the time period; as the time period increases, the frequency decreases. Elerium/Getty Images Frequency is a fundamental concept when talking about waves, whether electromagnetic waves such as radio waves and visible light, or mechanical vibrations such as sound waves. Knowing the frequency of a wave allows you to estimate … Read more
Sophie Kastner is a composer who has translated the unlistenable into songs and converted nuanced data from the heart of our Galaxy into the notes of a dissonant symphony. “It’s like writing a fictional story based largely on real facts,” she said in one rack. Her piece ‘Where Parallel Lines Converge’ is based on a … Read more