UN High Commissioner for Human Rights urged Egypt on Tuesday to end its controversial “rotation” practice, which allows authorities to arbitrarily extend prison sentences beyond their maximum term.

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

gives formula to show if a point is inside a cylinder. It is based on finding a rotation that maps the cylinder axis onto a cartesian axis, and then calculate the distance from the axis.

(Nanowerk Spotlight) The controlled rotation of micro- and nanoscale objects plays a crucial role in sensing, imaging, biomedicine, and manufacturing. Micro- and nanorotors have proved effective in ...