Mark Zuckerberg on Taking Risks and Finding Talented People
And just to make this point, how far into Facebook did it actually become a company? Um, I don’t know. I think probably it
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View AllThe Declaration of Independence | Period 3: 1754-1800 | AP US History | Khan Academy
On July 4th, 1776, the delegates to the Second Continental Congress approved the Declaration of Independence, and we know parts of it very well. For example, “We hold these truths to be self-evident, that all men are created equal.” The Declaration of Ind…
Is Something in Space Talking to Us? | StarTalk
So there are some signals that exist in the record books. Right? And to some, that means the aliens have already tried to contact us. In 1977, the Ohio State University had a big radio telescope. It’s been turned, I think, into a golf course now. But one …
Proof: Matrix determinant gives area of image of unit square under mapping | Matrices | Khan Academy
The goal of this video is to feel good about the connection that we’ve talked about between the absolute value of the determinant of a two by two matrix and the area of the parallelogram that’s defined by the two column vectors of that matrix.
So, for ex…
Compare rational numbers using a number line
What we’re going to do in this video is get some practice comparing numbers, especially positive and negative numbers. So for each of these pairs of numbers, I want you to either write a less than sign or a greater than sign, or just think about which of …
Existentialism vs Absurdism vs Nihilism
You find yourself walking down the street with your morning coffee in hand, as your brain is flooded with the dozens of issues and problems you need to deal with. Maybe it’s a relationship that’s on the rocks, a pet that needs to go to the vet, but you kn…
The actual reason why you procrastinate and how to fix it
It’s 6:00 p.m. You just got back home, and you’ve got a task that has been lingering in your mind, waiting to be checked off your list. It could be a project for work or school, house chores that can’t be ignored any longer, or maybe it’s about spending q…