Astigmatism (uh-STIG-muh-tiz-um) is a type of refractive error where one or more of the eye’s surfaces are not smooth and/or round. It is broadly classified into two types: regular and irregular.

The CBSE Class 12 Physics exam is scheduled for February 20, 2026. Experts emphasize understanding concepts, practicing derivations, and focusing on high-weightage topics like Electrostatics and ...

Generative AI is becoming ubiquitous in everyday life. Large language models like ChatGPT can help answer questions, write ...

Solving Problem 1 on work and energy from an old physics final exam. Follow the step-by-step reasoning behind classic work–energy principles and see how foundational physics problems were approached ...

Practice CBSE Class 12 Physics Top 50 MCQs with Answers based on the latest syllabus and exam pattern. Prepare effectively ...

Physicists have long relied on the idea that electrons behave like tiny particles zipping through materials, even though ...

CBSE Class 10 Science marks distribution 2026 explained with chapter-wise weightage for Biology, Chemistry, and Physics. Know ...

Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly ...

Foams are everywhere: soap suds, shaving cream, whipped toppings and food emulsions like mayonnaise. For decades, scientists ...

New results from the MicroBooNE experiment rule out the existence of a sterile neutrino, reshaping how scientists think about long-standing neutrino anomalies. After many years of investigation, resea ...

Optical physics is the study of the fundamental properties of light and its interaction with matter. This includes classical optical phenomena such as reflection, refraction, diffraction and ...

To play this audio you need to enable JavaScript. Don't know this expression? That sounds like a you problem. Learn how to use it with Phil and Feifei. And I'm Phil. I'm in such a rush, Feifei. Can we ...