Curious Cases
6. The Shock Factor
Nov 16, 2024
Dr. Daniel Mitchard, a particle physicist from Cardiff University’s Lightning Lab, dives into the electrifying world of lightning. He discusses the surprising fact that no lightning occurs at the poles and reveals why a car is the safest shelter during storms. Lightning survivor Kerry Evans shares her harrowing experiences, while Professor Karen Aplin explains the discovery of lightning on other planets, like Mars. They uncover whimsical atmospheric phenomena like sprites and pixies, merging science with captivating stories.
28:35
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Quick takeaways
- Lightning strikes can occur in various forms, with cloud-to-ground discharges being the most recognizable and dangerous during storms.
- The discovery of lightning on other planets could significantly influence future plans for colonizing Mars and understanding extraterrestrial atmospheres.
Deep dives
Understanding Lightning Formation
Lightning forms as a result of charged particles in clouds seeking a path to ground. As charge builds up, it eventually overcomes the air's insulation and creates a sudden discharge visible as lightning. This phenomenon involves a rush of electrons that ionizes gases in the air, creating light and explosive sound, known as thunder. The energy level during this discharge reaches approximately 30,000 degrees Celsius, significantly hotter than the sun's surface.
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