The Notes app on iOS 26 gets an update that lets you create 3D graphs from functions you enter without needing another app or doing too much work.

We measure the “warmness” of the dark matter, i.e. the comoving root-mean-square thermal velocity v hrms (1) , with nearly 3000 spiral galaxy rotation curves in the ...

The table below comprises the names of units which are part of the latest syllabus for the 2025 exams. These chapters are intact with minor additions. Discovery of Electron, Proton, and Neutron, ...