PDF for physics from the official Punjab Board website. Access chapter-wise details for physics with the link to download the ...

News Published: 26 June 1926 The Light-Quantum Theory C. D. ELLIS Nature 117, 895–897 (1926) Cite this article ...

Newton’s conjecture that light consists of particles was replaced by the wave theory of light pioneered by Young and Fresnel, which found additional support from Maxwell in 1865, who postulated ...

Syllabus: The NTA has put the official JEE Main 2026 Syllabus online on their website: jeemain.nta.nic.in. If you're planning ...

New observations from the James Webb Space Telescope (JWST) suggest the cosmos may be much older than once believed. For decades, scientists have held that the universe is about 13.8 billion years ...

Recent physics studies have found that light can sometimes flow in unexpected ways, behaving like a so-called "superfluid." ...

An international research team led by the Helmholtz-Zentrum Hereon has, for the first time, succeeded in visualizing and ...

The theory predicts that the combined effect of three focused laser pulses can alter virtual particles in vacuum, generating a fourth laser beam in a “light from darkness” process. “This is ...

The ten stories in The Theory of Light and Matter are devoted – as so much American short fiction is – to the moment of change, the seemingly unimportant incident that reveals a hidden truth.