While it may look great in the store, your new flat screen is going to need to be calibrated once you get it home to deliver the best viewing experience. While hardcore videophiles will want to invest in a professional service, this new calibration app from THX covers the basic adjustments that the rest of us actually use. Read More >>

This is the most expensive penny in the Universe. It's now on Mars, after an exciting £1.5 billion ride. Previously, the most expensive Lincoln penny in history was a 1943 copper-alloy cent that was sold for £1 million in a 1996 auction. That's peanuts compared to the cost of putting this coin up there, however. Read More >>