The Xteink X4 is a compact eBook reader that’s smaller than most smartphones. In fact, it’s so small that the company positions it as an eReader that sticks magnetically to the back of a phone, ...

The Daily News Sentiment Index is a high frequency measure of economic sentiment based on lexical analysis of economics-related news articles. The index is described in Buckman, Shapiro, Sudhof, and ...

Yvette Cendes at the Very Large Array, a large radio telescope facility in New Mexico Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by ...

Machine learning is the ability of a machine to improve its performance based on previous results. Machine learning methods enable computers to learn without being explicitly programmed and have ...