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Interactions between atoms of iron (gold) and nickel (blue) in the alloy "Invar." Arrows depict local magnetism; coils depict springs that support atom vibrations. A thermodynamic balance between spins and vibrations gives Invar its celebrated property of zero thermal expansion.
July 27, 2023
Some Alloys Don't Change Size When Heated. We Now Know Why.
A scanning electron microscopy (SEM) image of a female Conicera tibialis's antennae.
July 26, 2023
What a Fly's Sense of Smell Can Tell us About the Brain
Solar panels in a grassy field
July 25, 2023
Better Energy Harvesting with 'Law-Breaking' Device
coronavirus image
July 25, 2023
New Vaccine Technology Produces More Antibodies Against SARS-CoV-2 in Mice
Four students standing together
July 23, 2023
Experimental Economics in Theory and Practice
Dawn Gelino
July 20, 2023
#SoCaltech: Dawn Gelino
David Wales
July 20, 2023
Caltech Mourns the Passing of David B. Wales (1939–2023)
Bethany Ehlmann holding a model of the Moon in her hand
July 20, 2023
Moon Gazing: The Long Story of Lunar Research at Caltech
fingers hold a small flexible solar cell
July 20, 2023
New Wearable Sensor Sets Record for Solar Power Efficiency
aerial photo of pasadena
July 19, 2023
Caltech and Carnegie Science Announce Partnership to Advance Life, Environmental Sciences Research
This artist's concept shows the two-faced white dwarf nicknamed Janus. The blue-tinted dead cinder of a star, which was once a star like our sun, is composed primarily of hydrogen on one side and helium on the other (the hydrogen side appears brighter).
July 19, 2023
Two-Faced Star Exposed
students visit a science laboratory
July 18, 2023
Caltech Hosts STEM Bootcamp in Collaboration with the Warrior-Scholar Project
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