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A cluster of gas-filled balloons exploded inside a lift in Mumbai, injuring three people and triggering panic among those inside, as seen in CCTV footage. Hydrogen, which is extremely flammable, can leak from balloons and ignite due to static electricity or tiny sparks from lift electronics. While helium balloons are safe and non-flammable, many buyers unknowingly get hydrogen balloons because vendors sell them cheaply, misleading customers who believe they are purchasing helium. | Dw Entertainm
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A star exploded – and for the first time, we got a good look inside. When a massive star 2.2 billion light-years away reached the end of its life and exploded in a brilliant burst of light, astronomers analyzing the debris didn’t see the usual outer layers of hydrogen, helium, or oxygen. They saw silicon. Sulfur. Argon. Elements that normally lie buried deep inside a star’s core. This wasn’t supposed to be possible. According to stellar models, massive stars are built like onions. Hydrogen and h
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