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.
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. […]
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… 😉Continue reading “Το «πικ εν ρολ» στο μπάσκετ”
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. Continue reading “Meet Zealandia: The Earth’s ‘8th Continent’ (and Real-Life Atlantis) – SciShow”
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.
Selfie is a social phenomenon that probably won’t go away anytime soon. Many of us remember the times without the internet and social media with selfies all over them. But were there ever the times without selfies? The BuzzFeed crew decided to research it, and they share their findings in this humorous video.
Eric Paré is best known for his stunning light painting photos and helpful tutorials. In all his photos, he remains invisible even though he stands behind the model and draws shapes with lights. He does it all in-camera, and many people have wondered how he does it.
Sometimes it a rechargeable AA or AAA battery dies and you can’t recharge it. However, it’s not always actually dead, and Iddo Genuth from Lensvid shows you a simple tip how to “bring it back to life.” All you need is another battery and a barbeque clamp. https://youtu.be/gnxidU_F0Vc If the charger doesn’t detect the battery, before you throw it away, try this revival trick. Take any full metal barbeque clamp. You probably already have it at home, but even if not, it costs a few bucks. Clean it thoroughly and make sure it’s dry. […]