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Popular posts from this blog

Time Dilation: How time slows down near black holes or at high speeds

By Ananya Choudhary 11A Time dilation is a concept from einstein’s theory of relativity, describing how time does not pass the same way for everyone, everywhere. Depending on two main factors- speed and gravity, time can move slower or faster for different observers. This means that time is not absolute, but rather flexible, depending on conditions in space and motion. According to einstein’s special theory of relativity, when an object moves at extremely high speeds, close to the speed of light, time appears to slow down for that object relative to someone who is not moving. For example, if a person were to travel in a spaceship at very high speeds, time would move slower for them than for people left behind on earth. To the traveler, everything would feel normal, but when they return, they would find that much more time had passed for those who stayed behind. This effect has been observed in real world experiments, including with highly accurate clocks flown on airplanes or orbiting ...
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CERN and the Golden Myth: Can Lead Really Become Gold?

We’ve all heard the old idea of turning lead into gold. For centuries, people actually believed it was possible. While those attempts didn’t work out, today’s scientists have been able to pull it off.  CERN, one of the biggest science labs in the world, is located on the border of Switzerland and France. It’s famous for the LHC (Large Hadron Collider), which is a 27 km long underground tunnel where particles are sped up to near light speed and then smashed together. If you’ve seen Spider-Man: Into the Spider-Verse, there’s a collider in that movie that opens portals to other dimensions. CERN’s collider doesn’t do that, but it’s still one of the most powerful machines on Earth.  Lead has 82 protons, and gold has 79. That means to turn lead into gold, you’d have to somehow remove 3 protons from each lead atom. This needs a nuclear reaction, which only happens under extreme conditions and high energy.  CERN isn’t trying to make gold, but their experiments show how changing o...
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The Unidirectional Flow: Entropy and the Physics of the Arrow of Time

  The Unidirectional Flow: Entropy and the Physics of the Arrow of Time Abstract This paper explores the "Arrow of Time," the concept that time moves exclusively from the past toward the future. By examining the Second Law of Thermodynamics, statistical mechanics, and cosmological origins, this study argues that time’s asymmetry is an emergent property caused by the universe’s transition from order to disorder. Introduction In the world of fundamental physics, time is surprisingly flexible. The equations of Isaac Newton, James Clerk Maxwell, and even Albert Einstein are "time-reversible." This means that if one were to film a planet orbiting a star and play the footage backward, the gravitational math would still hold true; the laws of physics do not care which way the clock runs. However, human experience contradicts this mathematical symmetry. We see eggs break but never un-break; we see smoke disperse but never spontaneously reassemble into a cigar. This fundam...
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