Why It's Almost Impossible To Ship Antimatter
This video explores CERN's antimatter research, explaining how scientists produce, store, and study antimatter to solve the universe's matter-antimatter asymmetry puzzle. Despite antimatter's theoretical destructive power, CERN produces only tiny amounts for scientific experiments.
Summary
The video begins by referencing the novel Angels and Demons, where terrorists steal antimatter from CERN to destroy the Vatican. While fictional, CERN actually does produce antimatter at their antimatter factory, where protons are accelerated to 99.93% light speed and smashed into iridium targets to create 20 million anti-protons per minute. The content explains that antimatter is the most expensive substance in the universe at over $100 trillion per gram. The video delves into the physics behind antimatter, starting with Paul Dirac's equation that predicted anti-particles, and quantum field theory that explains why particles have antiparticle twins. A major cosmic mystery emerges: if equal amounts of matter and antimatter were created after the Big Bang, they should have annihilated each other completely, yet we exist in a matter-dominated universe. This suggests there was a tiny asymmetry - only one in a billion matter particles survived the initial annihilation. Scientists at CERN are studying antimatter to understand this asymmetry, using sophisticated magnetic and electric traps to store anti-particles and conducting experiments to test whether antimatter behaves differently from matter, particularly under gravity. The video showcases various experiments including ALPHA-g and GBAR, which are testing whether antimatter falls up or down. CERN has even developed portable antimatter traps that can store anti-protons for over 600 days and transport them by truck. However, despite antimatter's theoretical destructive potential, CERN produces only trillions of a gram annually - far too little to be dangerous, with the total energy equivalent to heating 1ml of water by 1°C.
Key Insights
- CERN's antimatter factory produces 20 million anti-protons every minute by smashing protons at 99.93% light speed into iridium targets
- The universe's matter-antimatter asymmetry means that for every billion matter and antimatter particles that annihilated, only one in a billion matter particles survived to form everything we see today
- CERN scientists have developed portable antimatter traps that can store anti-protons for over 614 days and transport them by truck
- To produce the 1/8 gram of antimatter depicted in Angels and Demons, CERN's factory would need to run longer than the age of the universe
- The GBAR experiment aims to measure antimatter's response to gravity with 1% accuracy by cooling anti-hydrogen ions to 10 micro-Kelvin, which is 50,000 times colder than current methods
Topics
Transcript
[0:00] There is a prequel to the Da Vinci Code. It's called Angels and Demons. And in it, terrorists steal 1/8 of a gram of antimatter from CERN to try to blow up the Vatican. Because the thing is, when antimatter and matter meet, they annihilate, turning nearly 100% of their combined mass into pure energy. This is via E= MC². It is the most violent process physics allows. Let's go. Oh my [0:30] god. Now that was just a novel, but CERN actually is making antimatter and we got to visit it. This is CERN's antimatter factory. There's anti-protons going beneath our feet. They are under our feet at this time. Here, protons are accelerated up to 99.93% the…
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