Template:Motd/2016-03-28 (en)

Schematic explanation of laser operating principle.

 Template:Motd/2016-03-28

This is the English translation of the Media of the day description page from 28 March 2016.

Descriptions in other languages:

• Motd/2016-03-28 (cs)
• Motd/2016-03-28 (de)
• Motd/2016-03-28 (en)
• Motd/2016-03-28 (mk)
• Motd/2016-03-28 (zh-hans)
• Motd/2016-03-28 (zh-hant)