beat the weather   Rain or shine, you won’t be a slave to the elements with this weather forecaster.     what is it? The Oregon Scientific Crystal Weather Forecaster gives you the day’s outlook 12 to 24 hours in advance. Weighing 1kg and measuring 17.7cmx11.2cmx4cm, it also displays the time or room temperature. how does it work? A built-in barometer measures air pressure from up to a 6.3km radius. The icons engraved within the crystalline block light up to give you the weather report - red for sunny, blue for cloudy and green for rainy – with 75 per cent accuracy. Infra-red sensors at the front let you toggle easily between the time and room temperature display. No batteries needed, just plug into a power outlet. why do you want it? Hate carrying an umbrella? Get a heads-up so you know whether you need a brolly or if it’s a good day to show off your new suede shoes. how much is it? $299, from Tangs Orchard, Takashimaya D.S. and Song Brothers Marketing.