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Why doesn’t a nuclear bomb create a chain reaction that destroys the entire planet?

  Because real life is not Hollywood plus 4 reasons. Fission vs. Fusion : Nuclear bombs work on the principle of nuclear fission – splitting heavy atoms like uranium or plutonium. This releases energy, sure, but to destroy the entire planet? Not enough oomph. What you'd need is a fusion reaction, the kind that fuels stars. That involves lighter atoms like hydrogen fusing, and it's way more powerful. Think of fission as a firecracker, fusion as the sun. We're nowhere near making a fusion bomb as big as our planet. The Limits of Chain Reactions : Even in a fission bomb, the chain reaction doesn't run wild forever. The explosion itself scatters the nuclear fuel, disrupting the critical mass needed to sustain the reaction. It's like trying to keep a bonfire going by throwing the logs across the field. Dissipation of Energy : The colossal energy released by a nuke mostly disperses as heat, light, and a shockwave. Earth is just way too big to absorb all that and go kabloo...
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What are some mind-blowing facts that sound unreal but are actually true?

 

1. The Great Pyramid of Giza was built around 4,500 years ago and is the only surviving wonder of the ancient world.

2. There are more stars in the universe than grains of sand on all the beaches on Earth.

3. Octopuses have three hearts and blue blood.

4. A day on Venus is longer than a year on Venus. It takes Venus about 243 Earth days to rotate on its axis but only about 225 Earth days to orbit the Sun.

5. Cleopatra VII of Egypt lived closer in time to the first Moon landing than to the construction of the Great Pyramid.

6. The amount of time between when Tyrannosaurus rex lived and when Stegosaurus lived is greater than the time between Tyrannosaurus rex and humans.

7. Bananas are berries, but strawberries are not.


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