Always consider your lighting conditions, learn the basics of composition, and don't be afraid to use your smartphone's ...

In this interactive, learn the basics of spectroscopy and use the technique to reveal the composition of four different cosmic objects. To launch the interactive, click on the image at left.— ...

This book is about the atmosphere and mankind's influence on it. Although air chemistry is probably one of the oldest branches of chemistry, it is now the focus of considerable public interest. The ...