Changhao Li

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NASA Chief Scientist Is Sure We'll Find Alien Life Within 20 Years

The truth is out there<p>NASA is certain: We’re not alone in this universe.<p>Speaking at a public panel on Tuesday in Washington D.C., NASA scientists discussed the likelihood of finding organic life in our solar system. Given the surprising number of oceans residing throughout our celestial home, they …

Astronomy

Machine learning explained in simple words

“Machine learning” sounds mysterious for most people. Indeed, only a small fraction of professionals really know what it stands for. And there is a …

Hacker's guide to Neural Networks

Hi there, I’m a CS PhD student at Stanford. I’ve worked on Deep Learning for a few years as part of my research and among several of my related pet …

Deep Learning

Deep Learning vs Machine Learning vs Pattern Recognition

Lets take a close look at three related terms (Deep Learning vs Machine Learning vs Pattern Recognition), and see how they relate to some of the …

Rich People Are Less Sad—But They Aren't Any Happier Than The Rest Of Us

Life is a little less miserable when you can throw money at your problems.<p>There is a lot of research to suggest that richer people are more satisfied with their lives than poorer people, at least up to a certain point when their most important needs are met. But life satisfaction is different from …

Happiness

Robotics is MEGA-Trending

All around the world there is a huge interest in robotics. Schools everywhere and at every level are involved in some type of robotics competition. …

Hot Wheels at the Detroit Auto Show

Boeing 787 Dreamliner - Aircraft Info

Developed by Boeing Commercial Airplanes, the 787 Dreamliner is one of the newer planes brought to the scenes. There are different versions of this …

Astronauts lift our spirits. But can we afford to send humans into space?

The success of the Orion spacecraft test flight has paved the way for America to carry humans to Mars and beyond. Yet many scientists say that manned missions are expensive and unnecessary and that robot probes are the future<p>‘We have no future if we don’t go into space’ – Stephen Hawking and others …