convenience in photos
Photos: Power-generating leg brace goes for a walk
Photo He said: "Portable electricity represents much more than just a convenience to some people. Researchers from Simon Fraser University in British Columbia have developed a device worn much like a knee brace that generates... [11 Feb 2008]
Photos: Hong Kong's Octopus card
Photo For example, 7/11 convenience stores allow you to pay for items with the card. The Octopus card was first introduced in 1997 as a public transport smartcard, much the same as London's Oyster card is now, but shareholders... [29 Jun 2006]
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