Hello. Now that it is winter, I will talk about liquid nitrogen, which is as cold as -196C or -321 F.As the temperature goes down, so does the electrical resistance of a metal. You may know this rule. When the temperature is extremely low, it even becomes zero ( superconductivity). The liquid nitrogen temperature is cold enough for some materials to turn superconductive.
I immersed my cell phone in liquid nitrogen for 5 minutes when its battery was nearly out. I had expected the battery would get recharged because the cold liquid nitrogen would lower the resistance. We feel invigorated when we have our stress lessened. With a twist of physics, I applied this analogy to the chilled battery and its resistance. To my surprise, when taken out, the phone didn't work at all as the buttons were deeply frozen and immobilized. I let it thaw for 20 minutes or around. The power was off... Tried to boot it. Coudn't! Found the battery empty! Where had the energy gone? Almost empty it was, but not exactly empty. Superconductive recharge was not observed...
I think there is something wrong with the superconductivity theory. I have lost some of my faith in physics.
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