Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

Part one of a four part series on the fundamental forces (or interactions) of physics begins with the strong force or strong interaction - which on the small scale holds quarks together to form ...

Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have uncovered experimental evidence that particles of matter emerging from energetic subatomic smashups retain a key ...

CBSE Class 12 Physics Revision Notes: CBSE Class 12 Physics Notes are important study materials for students preparing for the CBSE Class 12 Physics board exam 2026. These notes are also useful for ...

What is quantum physics? Put simply, it’s the physics that explains how everything works: the best description we have of the nature of the particles that make up matter and the forces with which they ...

Class 12 Physics MCQs: CBSE Class 12 Physics Chapter-wise Multiple-Choice Questions (MCQs) with correct answers are very important for the 2026 CBSE Board exam candidates. The MCQs given by Jagran ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Chip Stapleton is a Series 7 and Series 66 license holder, CFA Level 1 exam holder, and currently holds a Life, ...

Artificial crystals of light, consisting of hundreds of thousands of optical microtraps, are routinely created by interfering optical laser beams. These so-called optical lattices act as versatile ...

When you count to 20, you start at 1 (or zero) and count on until you reach 20. Each number is one more than the last. When you count back from 20, you start at 20 and count back until you reach 1 (or ...

From telling the time to division, these videos are a fun way of teaching your students and getting them active at the same time. In collaboration with the awarding-winning team behind CBeebies’ ...

Although dinosaurs lived many millions of years ago, we know that they existed because some of them turned into fossils when they died. Watch our animation to discover how this happened, and explore ...