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.

Hi all<BR><BR>I want to straighten out a picture in photoshop. I know I can use the rulers to help me with the arbitrary rotation but I'm hoping there's a nicer way to do it. I was thinking something ...

(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 ...

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.