Science

National Science Day 2024: Know All About Why It’s Celebrated, This Year’s Theme, the Raman Effect and More

File photo: CV Raman (IANS) — File photo: CV Raman
(IANS)

Against the backdrop of India's rich heritage and tradition, there exists a day that shines a spotlight on the country's scientific prowess and ingenuity. On February 28 each year, the nation pays tribute to the remarkable achievements of its scientists, acknowledging their pivotal role in driving progress and innovation.

But what’s so special about this day and why is it celebrated as National Science Day? Listed below are answers to such FAQs.

Why is National Science Day celebrated?

India observes National Science Day on February 28 annually to commemorate a significant scientific milestone—the announcement of the Raman Effect by CV Raman on February 28, 1928. This discovery, which garnered Raman the Nobel Prize in Physics in 1930, is a testament to the indelible contributions of scientists to the nation's development.

What is the Raman Effect?

Central to the Science Day celebrations is the Raman Effect, a phenomenon wherein light scatters after interacting with a substance, resulting in a change in the colour of the emerging light.

For decades after the discovery of Rayleigh Scattering in 1871, it was widely believed that the blue colour of the ocean was solely due to its reflection of the sky. However, Sir CV Raman challenged this notion during a voyage from London in 1921. His curiosity led him to explore the molecular diffraction of light, ultimately leading to the groundbreaking discovery of the Raman Effect.

The Raman Effect has since underpinned numerous scientific advancements, facilitating the development of techniques essential for addressing a myriad of global challenges. From bomb detection and the analysis of tablets, powders and liquids, to the study of cancerous tumour cells and minerals on distant planets, scientists have harnessed this principle to tackle critical issues across diverse domains.

What is the theme for National Science Day 2024?

The theme chosen for this year's National Science Day celebration is "Indigenous Technologies for Viksit Bharat" (Indigenous Technologies for Developed India). It underscores the nation's commitment to promoting home-grown technological solutions for societal well-being.

According to a statement from the Ministry of Science and Technology, the theme aims to foster public appreciation for science, technology and innovation while highlighting the achievements of Indian scientists in leveraging home-grown technologies to address pressing challenges.

By emphasising the importance of indigenous technologies, this year's celebration seeks to inspire collaboration and cooperation among the public and scientific community, furthering India's progress and contributing to global advancement.

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