[Patrick]

Originally Posted by cons

Check this out, a new wind turbine blade based off a humpback whale fin with 33% less drag due to the bumps on the leading edge.

WhalePower Fan Test | Whalepower

Janine Benyus: Biomimicry in action | Video on TED.com

Their video sure didn't match their commentary. The airflow was doing the exact same thing where they had the tubercles as where there were none.

Compare to this fan: FSEC-CR-1059-99