... and why!

less than 1m read

·Nov 10, 2024

The reason this trick works every single time is elegantly simple. It has everything to do with the fact that their chosen card will always be in a pack that is third from the top.

That's because we had them take the pack containing their card, see? There's Boron, and put it on one of the piles. Then we had them put two more piles on top of that one.

So this stack is in order: pack number one, pack number two, pack number three, which contains their card, and at the bottom, pack number four. When they deal the cards out into rows, they are changing the packs into layers.

See, here we go! We've got 1, 2, 3, four cards. These are the cards that made up pack number one. Here comes pack number two; it is now becoming the second layer.

The third layer will be the components of pack number three, including Boron, their card. So when they finish and take the pack containing their card, because it is part of the third layer, it will be the third from the top, which means it will always be the third card from the left. Boron. [Music]

Naming ions and ionic compounds | Atoms, compounds, and ions | Chemistry | Khan Academy

My last day in med school

View All

What Does Colonizing Mars Look Like? | MARS

What will life be like in a early Mars colony? ROGER LAUNIUS: Let’s take some stages in terms of how we might do things on Mars. There is exploration, somebody going out and coming back. The next stage would be some sort of research station. We will most…

Innovation Requires Decentralization and a Frontier

Innovation requires a couple of things. One of the things that it seems to require is decentralization. I don’t think it’s a coincidence that the Athenian city-states, the Italian city-states, or even the United States, when it was more free-form and invo…

The Most Powerful Way to Think | First Principles

In the previous video, we discussed the idea of power and created a framework for thinking about it. I claimed that someone needed two fundamental ingredients to be powerful: a true understanding of the world and the resources to shape it. As promised, we…

Why Are there Holes in the James Webb Sunshield? (Explained by My Dad) - Smarter Every Day 270

Hey, it’s me, Destin. Welcome back to Smarter Every Day. We are on the way to my dad’s work, and everything about this is weird. I have been trying to interview my own father for two years now at his work. The reason it’s so difficult is because he has a …

Sharing Nkashi: Race for the Okavango with people of the Okavango Delta | National Geographic

Around the Okavango Delta, it isn’t just wildlife that relies on the waterways. The Delta is what we base our livelihood on. My relationship with mokoro goes way back to when I was a child. I was raised on it; I fish on it. It’s what I use to raise and pr…

Le Châtelier's principle | Reaction rates and equilibrium | High school chemistry | Khan Academy

Let’s imagine a reaction that is in equilibrium: A plus B can react to form C plus D, or you could go the other way around. C plus D could react to form A plus B. We assume that they’ve all been hanging around long enough for this to be in equilibrium, so…

... and why!

More Articles