tag:blogger.com,1999:blog-24719764281982659632024-08-29T03:45:59.331-07:00LawandOrderhttp://www.blogger.com/profile/09458155097525543366noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-2471976428198265963.post-37868193912028856872010-09-07T08:27:00.000-07:002010-09-07T08:27:43.706-07:00Who doesn't like to feel the refreshing breeze of a fan on a hot summer day? &nbsp;Fans have&nbsp;historically&nbsp;had multiple blades that spin, enclosed by some kind of protective grate. &nbsp;The blades chop the air and push it forward.<br /> <br /> So when I saw the first blade-less fan, I was instantly intrigued. &nbsp;How does it work? &nbsp;I can put my arm through the hole? &nbsp;No protective covering? &nbsp;You've got to be kidding me!<br /> <br /> It's true. &nbsp;The people at Dyson have done it. &nbsp;Their air multiplier has no blades.<br /> <br /> How does it work? &nbsp;Well, don't listen to them because they use a lot of big words that mean nothing to the everyday person. &nbsp;When viewing the cross-section of the fan, it looks like there is a small fan inside the base that sucks in air and pushes it into the&nbsp;circular&nbsp;foil. &nbsp;Since the foil is thin, and the base draws in air, the air is forced out through a small opening, which increases the pressure. &nbsp;Air behind the fan in drawn in through negative pressure.<br /> <br /> A very interesting invention!<br /> <br /> <a href="http://www.dyson.com/fans/">Dyson Website</a>LawandOrderhttp://www.blogger.com/profile/09458155097525543366noreply@blogger.com0