The Smithsonian’s National Museum of American History has acquired a Wasserburg mass spectrometer, completed in 1968 by Professor Gerald J. Wasserburg of the California Institute of Technology.

Mass spectrometry is a cornerstone technique across various scientific disciplines, enabling precise analysis of complex samples, characterization of atom clusters and molecules, and elucidation of ...

In Star Trek, Mr. Spock’s hand-held tricorder can instantly tell what something is made of. We don’t have tricorders yet, but we’re getting close. Portable devices just a little too big to hold in one ...

The idea that light can behave as both a particle and a wave is one of the strange central concepts in quantum mechanics known as wave-particle duality. Towards the end of the 19 th century and the ...

Beijing Zhongke Journal Publising Co. Ltd. The traditional method for detecting dissolved gases in the deep sea is offline detection, which combines pressure sampling with laboratory analysis. This ...

Sponsored by PittconReviewed by Danielle Ellis, B.Sc.Feb 12 2026 The idea that light can behave as both a particle and a wave is one of the strange central concepts in quantum mechanics known as ...