corus, et. al.,
This is a relevant topic for the work in which I am involved, whereby a mirror in the form of a flat solid bar is polished, and then bent into an elliptical shape.
One of the problems is the so-called "anticlastic" bending, in the perpendicular axis. A typical mirror might be...
Hi,
I recently joined a research group that is using a dewar for containing samples that need to be immersed in liquid nitrogen. An automated mechanical gripper occasionally takes samples into and out of the dewar. The dewar is automatically refilled by a system that pipes in liquid nitrogen...
