Profile Picture
  • All
  • Search
  • Images
  • Videos
    • Shorts
  • Maps
  • News
  • More
    • Shopping
    • Flights
    • Travel
  • Notebook
Report an inappropriate content
Please select one of the options below.

Top suggestions for id:ECB3D71E3F88AB521E01ECB3D71E3F88AB521E01

Sewing Machine Tutorial
Sewing Machine
Tutorial
AC Machine How To
AC Machine
How To
AC Motor Tutorial
AC Motor
Tutorial
  • Length
    AllShort (less than 5 minutes)Medium (5-20 minutes)Long (more than 20 minutes)
  • Date
    AllPast 24 hoursPast weekPast monthPast year
  • Resolution
    AllLower than 360p360p or higher480p or higher720p or higher1080p or higher
  • Source
    All
    Dailymotion
    Vimeo
    Metacafe
    Hulu
    VEVO
    Myspace
    MTV
    CBS
    Fox
    CNN
    MSN
  • Price
    AllFreePaid
  • Clear filters
  • SafeSearch:
  • Moderate
    StrictModerate (default)Off
Filter
  1. Sewing
    Machine Tutorial
  2. AC Machine
    How To
  3. AC
    Motor Tutorial
What can a whale teach us about renewable energy? A lot. Scientists have found that tubercles—the bumps on a whale's fin—help them swim more easily underwater and thus increase energy efficiency. Using biomimicry, humans applied the same principle to turbine blades and found that it also improved energy efficiency. Watch as host Addi Lee explores the science behind this whale-inspired innovation. | National Geographic
1:09
What can a whale teach us about renewable energy? A lot. Scientist…
224.5K views8 months ago
FacebookNational Geographic
See more videos
Static thumbnail place holder
More like this
  • Privacy
  • Terms