Youth is not a time of life; it is a state of mind; it is not a matter of rosy cheeks, red lips and supple knees; it is a matter of the will, a quality of the imagination, a vigor of the emotions; it
It's the red circle, that's terrifying. No, really. Black holes really are the central mystery of our age, 这个红色的圈太吓人了。你在开玩笑。黑洞可谓是我们这个时代的中心之谜， because that's where the quantum world and the
And that brings me to what I see is a paradox. 这在我看来是一个巨大的悖论 The modern world is an incredible source of innovation 现代世界是一个无可比拟的创新之源 and Stanford stands at the center of that, 斯坦福则位于这一切的中心 creating ne
Hi, everybody. I'm at Millennium Steel in Princeton, Indiana, to have a town hall with workers on National Manufacturing Day. Because in many ways, manufacturing is the quintessential middle-class job
