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The kilogram you know is so over

Nov 16, 2018
It's the final unit of measurement to stop being based on a physical standard.
NIST's platinum-iridium kilogram K92 (front) with stainless-steel kilogram masses in the background.
J.L. Lee/NIST

Students and professionals are standing up for science

Apr 21, 2017
Caltech, where many feel jobs and funding are at risk, prepares for the March for Science
Caltech graduate student Jeremy Bernstein signs a banner that will be carried in the Los Angeles March for Science.
Jed Kim/Marketplace

Caltech's little engineers that could

Feb 12, 2015
Infants and toddlers learn engineering principles at university child-care center.