Candidates preparing for JEE Advanced 2026 can download the official syllabus PDF from jeeadv.ac.in, released by IIT Roorkee.

To be eligible for JEE Advanced 2026, candidates must rank among the top 2.5 lakh students in JEE Main 2026, satisfy the age criteria. Additionally, candidates must have appeared for their Class 12 ...

This rare phenomenon is also called the green rim and it actually happens at every sunset.

In 2025, slim smartphones are no longer about sacrificing features for form. Brands are pushing the limits of engineering to deliver thin, lightweight devices without compromising on performance, ...

Credit: Liz Sabol/Princeton University. For more than two hundred years, cameras have steadily evolved from bulky contraptions into essential tools of daily life. Today, they are everywhere—built into ...

People who develop presbyopia know the daily juggle between reading and distance vision. The eyes change with age, and close work stops being crisp without help. Bifocals have been the go to fix for ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Lenses are the most widely used optical devices. Camera lens or objectives, for example, produce a sharp photo or video by directing light at a focal point. The speed of evolution made in the field of ...

In recent years, the world of optics has undergone a major shift. New research shows how light can be bent, focused, and even changed in color using structures so small they’re invisible to the eye.

A study published in Advanced Materials reports that scientists at ETH Zurich have developed an ultra-thin lens capable of converting infrared radiation into visible light by halving the wavelength of ...

New lenses turn invisible infrared light into visible images, a study found. Humans can now see in the dark -- and even with their eyes closed -- using nanotechnology contact lenses that turn ...