The atomic clock with the world’s best long-term accuracy is revealed after evaluation


A caesium fountain clock that keeps the United Kingdom‘s atomic time is now the most accurate long-term timekeeper in the world, according to a new evaluation of the clock that will be published in the…

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We need to talk about aliens | Alan Penny


No one would have believed in the last years of the nineteenth century that this world was being watched keenly and closely by intelligences greater than man’s.” So starts H G Wells’s 1898 novel The…

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