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What is a superconductor? Is the electrical resistance of a superconductor really 0? There is no perpetual motion machine, but there is a perpetual current? Let's find out the principles and characteristics of superconductors through actual experiments with Dr. Jaehyuk Choi of the Korea Research Institute of Standards and Science! ◆ 2024 New Quantum Mechanics Calendar & James Webb Umbrella & Tumbler & T-shirt! https://smartstore.naver.com/morescience #Superconductor #Quantum Device #Quantum Computer #Korea Research Institute of Standards and Science #Jaehyeok Choi ◆ Thanks to Editor: Dahye Kwon ◆ Unwilling Science-More Science Smart Store (Science Goods) https://smartstore.naver.com/morescience ◆ Unwilling Science Instagram / unreal.science ◆ Unwilling Science Community https://cafe.naver.com/unrealscience ◆ Unwilling Science Inquiry E-MAIL: [email protected]