Download CBSE Class Physics 12 Pre-Board Sample Papers 2025–26 with solutions for all subjects in free PDF format. These papers are curated by experts as per the latest CBSE syllabus and exam pattern.

Studying one of the simplest animals, Stanford's Prakash Lab uncovered how it folds itself into complex shapes—revealing new ...

Using ultracold atoms and laser light, researchers recreated the behavior of a Josephson junction—an essential component of ...

Discover how to build a simple electric train using just a copper coil, an AA battery, and disc magnets in this step-by-step ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...