Supernovae like these are very luminous and referred to as "standard candles" in astronomy. As fixed points, they are used to ...

A team of chemists, microbiologists and ecologists has designed a molecular probe (a molecule designed to detect proteins or ...

Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and Technical University of ...

2014.0058.27 Object Name incandescent lamp Measurements overall: 5 in x 2 3/4 in; 12.7 cm x 6.985 cm See more items in Work and Industry: Electricity Data Source National Museum of American History ...