বিট ফ্লিপ How cosmic rays affect our computers and Bit flip explained in bangla with animation Ep 60

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A cosmic ray striking computer memory at just the right time can flip a bit, turning 0 into 1 or vice versa.
Radiolab did an episode on the case of a cosmic bit flip changing the vote tally in a Belgian election in 2003. The error was caught because one candidate got more votes than was logically possible. A recount showed that the person in question got 4096 more votes in the first count than the second count. The difference of exactly 212 votes was a clue that there had been a bit flip. All the other counts remained unchanged when they reran the tally.
It’s interesting that the cosmic ray-induced error was discovered presumably because the software quality was high. All software is subject to cosmic bit flipping, but most of it is so buggy that you couldn’t rule out other sources of error.
Cosmic bit flipping is becoming more common because processors have become smaller and more energy efficient: the less energy it takes for a program to set a bit intentionally, the less energy it takes for radiation to set a bit accidentally.

The Oh-My-God particle (OMG particle) was an ultra-high-energy cosmic ray detected on 15 October 1991 by the Fly's Eye camera in Dugway Proving Ground, Utah, U.S. At that time it was the highest-energy cosmic ray that had ever been observed. Although higher energy cosmic rays have been detected since then, this particle's energy was unexpected, and called into question theories of that era about the origin and propagation of cosmic rays.The Oh-My-God particle's energy was estimated as (3.2±0.9)×10^20 eV, or 51±14 J. This is 20 million times more energetic than the highest energy measured in electromagnetic radiation emitted by an extragalactic object. It had 10^20 (100 quintillion ) times the photon energy of visible light, equivalent to a 142-gram (5 oz) baseball travelling at about 28 m/s (100 km/h; 63 mph).

#BigganPiC #Bit_flip #Cosmic_Ray #OMG_particle #Computer #Science #Physics

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Audio edit by audacity.

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