Low Temperature Physics is a branch of physics that studies the behavior of materials and phenomena at very low temperatures, typically below 100 Kelvin (-173°C). At these temperatures, materials can exhibit unique properties, such as superconductivity, where electrical resistance disappears, and superfluidity, where liquids flow without viscosity. Researchers in this field often use techniques like cryogenics to achieve and maintain these low temperatures. Understanding low temperature phenomena is crucial for advancements in technology, including quantum computing and magnetic resonance imaging (MRI), as well as for exploring fundamental questions in quantum mechanics.