CBSE Class 12 Physics last 10 days study plan for board exam 2026 with detailed revision strategy, syllabus weightage, exam pattern, and scoring tips.

A new metasurface design lets light of different spins bend, focus, and behave independently—while staying sharp across many ...

“The last thing a presbyopic patient wants is to abandon their reading glasses and walk around with cosmetically red eyes,” Donnenfeld noted. “In BRIO-II, the rate of reported adverse events of ocular ...