Social Distancing with Mousetraps – Steve Spangler

A practical experiment with mousetraps to show the effect of social distancing.

 

The Invention of Friends (Dunbar’s Number) – YouTube

Python Tutorial for Beginners [Full Course] Learn Python for Web Development – YouTube

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.

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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Meet Zealandia: The Earth’s ‘8th Continent’ (and Real-Life Atlantis) – SciShow

The story of Atlantis, a mythological continent that vanished into the sea after its inhabitants displeased the gods, has fascinated people for thousands of years. However, the idea of a whole continent sinking into the ocean may be more rooted in reality than you think.

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Robot smashes Rubik’s Cube record with 0.38-second solve | Ars Technica

Hardware hackers Ben Katz and Jared Di Carlo have smashed the previous record for solving the Rubik’s cube robotically. Their machine solved the puzzle in 0.38 seconds—a 40-percent improvement over the previous record of 0.637.

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