Amazing hummingbirds

collections: Birds
Сложность:
Posted 19 May 2015
Share it:
or
Duration of the video: 1 Min.
Description
This video shows how the study of the flight of a hummingbird can help in the creation of unmanned aircraft resistant to wind blows.
Recommended words
adjustment -
a beat -
catch up -
to compare -
constant -
to cope -
a drone -
fan out -
find out -
gusty -
to handle -
have in mind -
to hover -
a hummingbird -
independently -
no surprise -
steady wind -
a tail -
wind -
wind tunnel -
a wing -