NMR spectroscopy, or Nuclear Magnetic Resonance spectroscopy, is a powerful analytical technique used to determine the structure of molecules. It works by applying a strong magnetic field to a sample, causing certain nuclei, such as hydrogen or carbon, to resonate at specific frequencies. This resonance provides detailed information about the molecular environment and connectivity of atoms within the sample. The technique is widely used in various fields, including chemistry, biochemistry, and medicine. NMR spectroscopy is particularly valuable for studying complex organic compounds and biomolecules, helping scientists understand their structure and dynamics in solution.