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.

A microscope that cost less than £50 and took under 3 hours to build using a common 3D printer could be transformative for ...

It’s relatively easy to understand how optical microscopes work at low magnifications: one lens magnifies an image, the next magnifies the already-magnified image, and so on until it reaches the eye ...

Step inside the strange world of a superfluid, a liquid that can flow endlessly without friction, defying the common-sense ...

Please Note: All times UK. Tables are subject to change. The BBC is not responsible for any changes that may be made. Manager: Luís Castro Formation: 4 - 3 - 3 Manager: Pierre Sage Formation: 3 - 4 - ...

Ancient Nubians who lived between the 7th and 9th centuries tattooed the cheeks and foreheads of their infants and toddlers. This surprising discovery was made during a systematic survey of more than ...

This paper presents an important advance in genetically encoded voltage imaging of the developing zebrafish spinal cord in vivo, capturing voltage dynamics in neuronal populations, single cells, and ...

15m at 12.7g/t gold from 850m 25GLR117 (Major 200m+ down dip extension); and 20m at 5g/t gold from 676m 25GLR094 (building out Lens 4 to the 90m to the west). 17m at 6g/t gold from 662m 25GLR082. New ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio products, ...

15m at 12.7g/t gold from 850m 25GLR117 (Major 200m+ down dip extension); and 20m at 5g/t gold from 676m 25GLR094 (building out Lens 4 to the 90m to the west). 2m at 16.8g/t gold from 528m 25GLR090.

Fujifilm was one of the first camera makers to embrace mirrorless systems and has one of the most well-established lens libraries. These are the best we've tested. Images, and the devices that capture ...

Leica, Panasonic, and Sigma full-frame mirrorless cameras share a common lens system, the L-mount. It's still evolving, but these are the best L-mount lenses we've tested so far. Images, and the ...