Trying to track down the cheapest petrol price in your area? Google's new iGoogle Petrol Price Tracker lets you select your preferred petrol type and brand, and offers twice-daily price updates by postcode (sourced from MotorMouth). Google claims to cover 50% of major metropolitan areas; I found a few holes on a quick search of Melbourne, but if your suburb is covered, it's a useful way to check prices before heading out the door.
Google Launches Australian Petrol Price Tracker
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If your air conditioning is costing too much this summer, look into a whole-house fan. They cool your home by removing the hot air and exhausting it through windows or soffits in the attic.
Last week, Nvidia announced plans to roll out a software-only version of G-Sync, its Adaptive Sync tool for PC displays. And now, with GeForce driver 417.71 out in the open, the small group of people who mix Nvidia graphics cards with FreeSync monitors can try out this new implementation of G-Sync.