Word: ion
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Most hand vacuums run on the same primitive rechargeable batteries found in power tools and cordless phones. Dyson's hand vac, the new DC16 Root 6, has a lithium-ion battery like the one in your cell phone. Regular batteries can take nine hours to charge; the Root 6 charges in three. In most hand vacs, the dust catcher sits between the nozzle and the fan. As the catcher fills up, the fan has a harder and harder time pulling in grit. Dyson's uses the same "cyclone" technology pioneered in his upright vacuum, spinning debris off into a reservoir...
...price-conscious U.S., where Dyson upright vacs have been selling since 2002, is tougher. Big brands, feeling threatened, are quick to advertise their own Dyson-like benefits at lower costs. Black & Decker already has a Root 6 competitor, the 18 Volt Pivot Vac. There's no lithium-ion battery, but for $60 it picks up dirt using something it calls "cyclonic action...
...There isn't much of a downside to the MX Revolution. It has a rechargeable battery, which some people don't like. I don't mind, especially since it's a long-lasting lithium-ion battery, and the mouse has a four-level battery meter on its side. You can assign buttons to do different things in different applications; generally, this is very easy, although in rare cases, if you don't pay attention, it may not work properly. The mouse is Mac compatible, but you must be sure to have the latest edition of Logitech's Mac software...
...Numbers 4.1 million Number of lithium-ion batteries recalled by Dell, the world's largest PC maker, over fears they could cause laptop computers to burst into flames $400 million Maximum estimated cost of the recall, which Dell will share with the batteries' manufacturer, Sony Corp...
According to Kirichock, data on sperm physiology has long suggested that ion channels located on the sperm’s plasma membrane played a key role in determining sperm motility and sperm-egg interactions, and scientists have been unsuccessfully trying to measure the activity of those ion channels since...