Remember the bladeless dyson fan (https://www.sida.org.sg/2009/10/20/fan-without-blades/) ?
August 16, 2010 archive
Aug 16
Call To Invention: Project LEAF
This is a SIDA “Call To Invention” under our SIAP (SIDA Inventor Assistance Programme). SIDA members who are interested to take part in this project may contact us at https://www.sida.org.sg/contact-us/