TEMs work by firing a beam of electrons through the material and measuring how it absorbs and deflects the particles to build up an image of the sample.

Firing up Synaptic from the dialog should now show Skype packages available when you search for it (you may need to reload the list of packages).

Second, you'll set up automatic posting for hiring announcements (you briefly consider posting firing announcements too, but decide against it because that's tacky).