Sir James Dyson explains his bladeless fan

Sir James Dyson explains the technology behind his latest innovative invention, the bladeless fan. Also, Dyson explains his backing of the Tories. LINK: Youtube

The Bladeless Fan

Inventor James Dyson unveiled his latest product earlier this week. While the design aesthetic has garnered universal praise, the main focus has been on the audacious price given the times. Will people pay $300 for a 10″ oscillating fan? Dyson has already found success in delivering high-end products in a tough economic environment. His pricey upright vacuum cleaner debuted in 1993 at the height of a recession. They have since sold more than 31 million units with more than half of that volume achieved in the past three years.



Link, Via: Youtube, Via: link with another video

10 Unusual Knives, Swords and Blades

In this age when we think of weapons, we tend to think of aircraft, electronic guidance systems, bombs and missiles. Sophisticated star wars systems may come to mind or huge warships and aircraft carriers or even chemical or nuclear weapons.

A tang on a knife or sword is that part that will be enclosed by the handle.

This is probably how the weapon got its name. At first glance it appears as if the pointed part is like the tang waiting to have the handle fitted with the parts to right and left being hand guards.

The tang shown is actually 58cm long and 65 cm wide (23 and 26 inches)

This is actually a “pole arm”. A shaft fits into the opening in the bottom left.

It derives from China in the 19th century and consists of a 13cm (5 inch) spear type point with two 33cm (13 inch) blades either side.

This type of weapon was used by police forces or others who needed to keep crowds in order. LINK