SciTech Express

How C.V. Raman’s Nobel-Winning Discovery is Helping Hunt for Life on Mars From Earth to the Red Planet: The Role of Raman Spectroscopy in Space Exploration Introduction Sir Chandrasekhara Venkata Raman, an Indian physicist, won the Nobel Prize in Physics in 1930 for his groundbreaking discovery of the Raman Effect —a phenomenon that explains how light interacts with molecules, revealing their composition. While this discovery revolutionized optical physics, its impact extends far beyond Earth's laboratories. Today, Raman spectroscopy is playing a crucial role in the search for extraterrestrial life , especially on Mars . NASA’s Perseverance rover and the upcoming ExoMars mission are using Raman spectrometers to analyze Martian rocks, searching for signs of past or present life . But how does a discovery made almost a century ago help scientists hunt for life on another planet? Let’s dive deep into the fascinating connection. What is the Raman Effect? Discovered in 1928 by C.V...

Quantum-Based Atomic Clock: A Breakthrough in Ultra-Precise Timekeeping Content Introduction : Scientists in the United Kingdom have developed a quantum-based atomic clock , representing a major leap in timekeeping accuracy. What is an Atomic Clock? A clock that uses the resonance frequencies of atoms (usually cesium or rubidium ) to measure time with remarkable precision. These clocks are the most accurate timekeeping devices in the world. Quantum-Based Innovation : The new quantum-based atomic clock can lose less than one second over billions of years . It leverages quantum mechanics for improved frequency control and stability. Benefits : Global Navigation Satellite Systems (GNSS) : Enhanced precision in GNSS improves the accuracy of GPS and other positioning systems. Advanced Weapon Systems : Enhances the precision of guided missiles and defense systems by providing ultra-stable time references. Scientific Research : Enables highly accurate time measurements critical for astrophy...