How clean and green is our digital world?
GREAT MOMENTS IN SCIENCE: Today's technology looks so slick and clean as it brings magic to your screen. But behind the scenes, our data comes at a cost, says Dr Karl.
View ArticleBitcoin: from the beginning
GREAT MOMENTS IN SCIENCE: How did the Bitcoin virtual money system get started? Dr Karl takes a bite out of history.
View ArticleValue of money is based on trust
GREAT MOMENTS IN SCIENCE: The worth of all currencies from stone coins to Bitcoins is based on people trusting the transaction system. Just ask the people of Yap, writes Dr Karl.
View ArticleNew material made from mothball chemical sets quantum computing record
CARBON BALLS: An international team has created a new carbon-based material that enables quantum computers to work at room temperature longer than any other conducting material such as graphene.
View ArticleScientists develop small, reprogrammable quantum computer
QUANTUM MILESTONE: US researchers have unveiled the development of a small quantum computer that can be reprogrammed to complete three algorithms in a single step.
View ArticleApps that help you get to know the world around you
SCIENCE APPS: Feel like your head's always buried in a smartphone? We've got some apps to get you into the world outside your phone.
View ArticleLoud sounds can kill computer hard drives
SOUND POWER: Computer hard drives are such precise pieces of engineering that even shouting at them can affect their performance. The blast from a fire suppression system? That can kill them outright,...
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