* PATENT wars are heating up. British drug manufacturer Glaxo has won one patents case against a Canadian manufacturer, but faces a second against another. Both claim Glaxo's products -- stable and
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BHEL scientists, who developed the country's first battery powered vans, say only higher government subsidies can make the vehicles affordable to potential users.
Windows that change from clear to dark and back at the flick of a switch are set to make air conditioning systems redundant in buildings, thereby saving considerable power.