"Energy" (νργεια/enérgeia) is a very ancient Greek word to mean the idea of an acting force; it was initially proposed by Aristotle and later revived by Thomas Young to stand for a purely virtual concept related to physical phenomenon as well as spirituality. In this first chapter...
Typically, fires can display a range of colors from soft blue and bright yellow to deep orange and rich red. Here's what the colors typically mean. Blue indicates a hotter, more oxygen-rich burn, often seen where the gas mix is optimal, such as in a well-adjusted burner. An orange an...
A more expensive installation doesn’t necessarily mean better quality, though, so be sure to research the companies before agreeing to anything. Are solar panels worth it? Here are four important things to consider if you're trying to decide whether solar panels are worth it. 1. Whether you...
“It does this for right answers, too, because that right prediction may have only had, say, a 30% certainty, but that 30% was the most of all the other possible answers,” Thompson said. “So, backpropagation seeks to turn that 30% into 30.001%, or something like that.” ...
Finally, a black hole could make itself known by interacting gravitationally with celestial objects like planets, stars, asteroids or comets, which brings us to a key question: How close does our hypothetical black hole pass by our solar system? Clearly, the closer it passes, the worse the da...
Hue represents the color being displayed, as found on a red-green-blue scale, color wheel or grayscale. The intensity of the primary colors or gray displayed grows with increased brightness, but the color itself does not change. Changing to different color values makes no difference. It is ...
It combines ideas from art, science, and psychology to explain why some colors look good together and how they make us feel certain emotions. Color has three key components: Hue: The name of the color, like red, yellow, green, or blue. Lightness (or value): How dark or light a color...
How Does Dark Matter Differ From Regular Matter? Matter—the visible kind, that is—interacts with the universe in many ways. It absorbs and, in many cases, emits electromagnetic radiation in the form of gamma rays, visible light, infrared, and more. It can generate magnetic fields of variou...
Color psychology can influence the way shoppers feel about your brand and products. Here’s how the colors you choose can impact sales and loyalty.
It is almost as if dark energy and gravity are in a cosmic tug 'o' war with the universe as the rope. The main competitor with the most "pull" on the side of gravity is dark matter. But how much "muscle" does dark matter actually have? In terms of energy and matter content of ...