AJAY KUMAR, Author at Science & Ai

THE INVISIBLE THREAT: UNDERSTANDING HANTAVIRUS

Introduction - In the world of infectious diseases, we often focus on viruses that spread from person to person. However, some of the most serious threats come from the environment…

AJAY KUMAR May 8, 2026

NEUROSCIENCE

Brain Cleaning Through Movement: Key Findings from the Penn State Study

Introduction: We've always known that physical activity is good for visual health, but a new study from Penn State provides a fascinating look at the mechanical connection behind brain cleansing.…

AJAY KUMAR May 8, 2026

GREEN TECH.

Beyond Lithium: Is Sodium-Ion the Green Battery Savior?

The 2026 Energy Revolution Has Begun Introduction -- For more than three decades, lithium-ion batteries powered the modern world — from smartphones and laptops to electric vehicles and renewable energy…

AJAY KUMAR May 7, 2026

$Class – 10th Light – Reflection and Refraction$

Class - 10 th physics

Class – 10th Light – Reflection and Refraction

1. Understanding Light Light is an electromagnetic wave that travels in a straight line (Rectilinear Propagation). We use Rays to represent its path and Beams to represent a collection of…

AJAY KUMAR May 7, 2026

The Death of the Chatbot: Why 2026 is the Year of the Agent AI Evolution

For the last few years, we’ve been living in the era of the "Chatbot." You type a question, the AI generates a response. It was revolutionary, but let’s be honest:…

AJAY KUMAR May 6, 2026

CBSE SCIENCE

What is science?

The Wonder of Science: Understanding the World Around Us Science is often portrayed as a collection of dusty textbooks or complex equations on a chalkboard. In reality, science is a…

AJAY KUMAR May 5, 2026