Template:Motd/2015-12-18 (en)

Lift-induced vortices (also called wingtip or trailing vortices) are evidenced by colored smoke on the threshold of a runway, during a demonstration flight run by the German DLR with its ATTAS aircraft.

 Template:Motd/2015-12-18

This is the English translation of the Media of the day description page from 18 December 2015.

Descriptions in other languages:

• Motd/2015-12-18 (cs)
• Motd/2015-12-18 (en)
• Motd/2015-12-18 (fr)
• Motd/2015-12-18 (zh-hans)
• Motd/2015-12-18 (zh-hant)