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Over the years I’ve been wowed by plenty of high-end TV sets at CES. Two years ago, when the first jumbo 4K (UHD) sets were unveiled they were eye-popping. Now that UHD sets are commonplace in vendors’ booths, I was expecting to be fairly ho-hum about this year’s models. Last night though, Sony showed that there is more to UHD ...

Many beetles, like ladybugs, have the ability to stick to things as they walk underwater. They can do this by trapping tiny bubbles within hair-like structures on their feet. Researchers at the National University of Singapore have used a similar bubble trick to develop a way to make high quality graphene films. Their new technique is the first which can ...