Day 63 of 365
March 4
⚛️
Physics Superconductivity
Some materials become superconductors at extremely low temperatures, conducting electricity with zero resistance. Electric current in a superconducting loop can flow indefinitely without power input. Superconductors also expel magnetic fields through the Meissner effect, enabling magnetic levitation. Despite being discovered in 1911, high-temperature superconductors remain incompletely understood, with a room-temperature superconductor being a holy grail of physics.
💡 Did you know?
MRI machines use superconducting magnets cooled to -452°F with liquid helium - that's why MRI facilities need constant helium supplies!
Take Knowly with you
Get daily lessons, create your own, and build your personal wisdom library
Download for iOS