Now that Dyson's HQ is in Singapore, perhaps the balmy climate inspired this product: Their new HushJet Mini Cool, a handheld fan. It adapts the "Air Multiplier" technology that powers their vacuums, but has been reversed to blow air outwards, without using a bladed fan. The device is remarkably powerful, despite its diminutive size: A tiny motor spinning at 65,000 rpms blasts a 55-mph breeze out