Take a look at the sequence. What number comes next? The answer is a no brainer – once you know the answer, that is.
Neil Sloane, founder of the Online Encyclopedia of Integer Sequences, starts explaining the answer at :22, so pause before then if you need more time to figure it out.
Extra footage of this video can be found here.
From our friends at Futility Closet: Here are a penny and a quarter. Make a statement. If your statement is true, then I’ll give you one of these coins (not saying which). But if your statement is false, then I won’t give you either coin. Raymond Smullyan says, “There is a statement you can make […]
Created by esteemed riddler Edwin F. Meyer, co-author of The Gedanken Institute Book of Puzzles. (TED-Ed)
I bought the Dover edition The Moscow Puzzles in 2014, and it’s still one of my all-time favorite puzzle books. Here are a few samples: Book description: This is, quite simply, the best and most popular puzzle book ever published in the Soviet Union. Since its first appearance in 1956 there have been eight editions […]
Theoretically, there’s never been an easier time for marketers. The ubiquity of social media means a good word – or a good brand – can spread like wildfire with very little effort. But as limitless as the internet is, there’s a lot of competition and noise to contend with. And the vast graveyard of failed […]
They might be the shiny new thing, but AirPods aren’t for everybody. Maybe you’re looking for a new sound or you understandably lost those tiny buds during a brisk run. If so, here’s 10 headphones and earbuds that break out of the Apple mode with a return to quality and wearability. Klipsch R5 Bluetooth Neckband […]
When it comes to passwords, there’s no such thing as paranoia. You want them secure and complex, and you definitely don’t want to repeat them on all your accounts. The trouble is, the internet seems to keep growing. And so do those accounts. Just one lockout from an important email or banking site is enough […]