David Darling

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What's the brightest light on Earth? The coldest corner of the universe? The blackest material ever made? The most poisonous substance in nature? Ka-boom! probes extremes of size and speed, depth and density, and reveals the stickiest, sweetest,...

The Biggest Number in the World

The Biggest Number in the World

From cells in our bodies to measuring the universe, big numbers are everywhereWe all know that numbers go on forever, that you could spend your life counting and never reach the end of the line, so there can’t be such a thing as a ‘biggest number’. Or...