Étiquette : Physics
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Ball Lightning: A Real Atmospheric Mystery
Among the many strange phenomena reported over the centuries, ball lightning stands out as one of the few that occupies a genuinely uncertain place in science. Described as a glowing, roughly spherical object that appears during thunderstorms, drifts through the air for a few seconds and then vanishes, sometimes with a soft pop, ball lightning…
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Dark Matter and Dark Energy: The Universe’s Greatest Unsolved Puzzle
Look up at the night sky and you see stars, planets, nebulae, and galaxies. Everything visible, everything that emits or reflects light, every atom of ordinary matter in the entire observable universe accounts for just 5% of what actually exists. The remaining 95% is composed of two mysterious substances that scientists have named dark matter…