Good morning. It is a great honor to return to IIT and celebrate together. I would like to thank President Anderson for his kind invitation and all of you for your warm welcome. I would also like to t
But now, notice there are two ways of seeing the cube, right? 现在，你注意到了有两种方法来看那个立方体，对吧？ It's a Necker cube. 这是一个内科尔方块。 Everybody can see the two ways of seeing the cube? OK. 大家都可以看出两种看方块的方法吧？好的 Can
And so some time around 200,000 years ago, our species confronted this crisis. 大约二十万年前，人类遇到了这一困境 And we really had only two options for dealing with the conflicts that visual theft would bring. 我们只有两种
The President Speaks on the Shootings in Tucson: "We Are Going to Get to the Bottom of This, and We’re Going to Get Through This" THE PRESIDENT: As many of you are aware, earlier today a number of peo
