How Google Search Works (in 5 minutes) – YouTube

A short video about how Google Search works, including how Google’s software indexes the web, ranks sites, flags spam, and serves up results. There’s also a part about a lasagna festival.

Greek orthography – Wikipedia

The orthography of the Greek language ultimately has its roots in the adoption of the Greek alphabet in the 9th century BC. Some time prior to that, one early form of Greek, Mycenaean, was written in Linear B, although there was a lapse of several centuries (the Greek Dark Ages) between the time Mycenaean stopped being written and the time when the Greek alphabet came into use.

Early Greek writing in the Greek alphabet was phonemic, different in each dialect. Since the adoption of the Ionic variant for Attic in 403 BC, however, Greek orthography has been largely conservative and historical. […]

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Why do prime numbers make these spirals? – YouTube

Important error correction: In the video, I say that Dirichlet showed that the primes are equally distributed among allowable residue classes, but this is not historically accurate. (By “allowable”, here, I mean a residue class whose elements are coprime to the modulus, as described in the video). What he actually showed is that the sum of the reciprocals of all primes in a given allowable residue class diverges, which proves that there are infinitely many primes in such a sequence. […]

Το «πικ εν ρολ» στο μπάσκετ

Αν βλέπετε τους αγώνες της Εθνικής 🇬🇷 Ελλάδας στο παγκόσμιο πρωτάθλημα 🏀 μπάσκετ, που γίνεται αυτές τις μέρες στην Κίνα, και δεν ξέρετε τι είναι αυτό το «πικ εν ρολ» (pick and roll), μπορεί να ντρέπεστε να ρωτήσετε άλλους για να μην σας κοροϊδέψουν!

Μην ανησυχείτε, δείτε το βίντεο και θα καταλάβετε… 😉

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Are You Actually Tech-Savvy or Just Dependent? – ReadWrite

Knowing how to use smart devices doesn’t mean you’re savvy, and there’s a huge — but subtle — difference between being savvy and being dependent.

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Just Delete Me | A directory of direct links to delete your account from web services.

A directory of direct links to delete your account from web services.

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What Should You Do If You Receive a Phishing Email?

If you receive a phishing email, it can be a bit scary. Fortunately, nothing infects your computer if you don’t click any links or respond. Here’s what to do (and what not to do) if you receive a phishing email.

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Βίδρα | ΑΡΚΤΟΥΡΟΣ

Η ευρασιατική βίδρα είναι ένα μικρόσωμο ζώο που ζει στις όχθες των ποταμών και των λιμνών και μόνο όπου τα νερά είναι πολύ καθαρά. Η ευρασιατική βίδρα θεωρείται από τα σπανιότερα και πιο απειλούμενα θηλαστικά της ηπείρου. Καθώς το είδος αποτελεί σημαντικό δείκτη υγείας των ορεινών υδάτων, προστατεύεται αυστηρά σε όλες τις χώρες της Ε.Ε.

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