There is something very sad and depressing about the story of Walter Wolfgang’s ejection from this week’s Labour Party Conference.
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MD5. Hashes. Just what is that all about?
This article is to explore the subject a little and highlight some of the recent discoveries and issues. If you know all about MD5, hash collisions, SHA-1, … then this isn’t for you! I’m writing this for someone who is technically aware, possibly heard of something called MD5 but has no real idea what it is, why it’s used nor why they should care. I’m going to avoid the detailed maths and programming, so jump on in, there’s nothing to be scared of here…
Folders are dead. I came to this conclusion a little while ago, although I didn’t realise it at the time. Then in the current issue of The Economist they write about it here. And suddenly it all made sense. They’re right.
Look again at that dot. That’s here. That’s home. That’s us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggregate of our joy and suffering, thousands of confident religions, ideologies, and economic doctrines, every hunter and forager, every hero and coward, every creator and destroyer of civilization, every king and peasant, every young couple in love, every mother and father, hopeful child, inventor and explorer, every teacher of morals, every corrupt politician, every “superstar,” every “supreme leader,” every saint and sinner in the history of our species lived there–on a mote of dust suspended in a sunbeam.
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Carl Sagan, after he saw an image of the Earth [
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