Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and Technical University of Vienna (TU Wien) have invented a new type of tunable semiconductor laser that ...

Getting engaged is getting expensive, especially with gold and white gold hitting record high prices. How you can look like ...

Researchers in Germany have developed a ring laser that tracks Earth's axis movements without telescopes or satellites.

Gold has a lot of pretty cool industrial applications. NASA uses it to protect astronauts from cosmic radiation by lining the visors of their space helmets. Commercial electronics also use gold to ...