What is the difference between a code and a cipher? How did Caesar send secret messages? How do you beat frequency analysis? What is a side channel attack? How does RSA end-to-end encryption actually work…
What are dreams? Where do they come from? What do they mean? Are they messages from the unconcious, or from the divine? A play of memories? A rehearsal of waking life? How do we incubate more of them? In …
What is a literary genre? What are tropes? What genre does a creaky door suggest? Or a man and a woman stuck in an elevator? When should you use tropes? When should you avoid them? In this concise little …
How does a rocket take off into space? Why must most of its mass be fuel? What is the escape velocity? How do spacecraft use gravity to swing around the Solar System? How do you navigate in space? In this…
Why does time pass more slowly when you travel fast? Do speeding objects really get shorter and heavier? How can you reach a star which is four lights years away in only three years? Is space really curve…
Why did William the Conqueror create a forest in 1079? How have ponies, pigs and commoners shaped its landscape for a thousand years? What are the ancient Common Rights of Marl, Estovers and Turbary? In t…
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