Built to look for gravitational waves, the ripples in the fabric of space itself that were predicted by Einstein in 1915, the Laser Interferometer Gravitational-Wave Observatory (LIGO) is the most ambitious project ever funded by the National Science Foundation. We talk to two Caltech researchers to learn about how LIGO came to be.
Popping Microbubbles Help Focus Light Inside the Body
A new technique developed at Caltech that uses gas-filled microbubbles for focusing light inside tissue could one day provide doctors with a minimally invasive way of destroying tumors with lasers, and lead to improved diagnostic medical imaging.
Tracking Down the "Missing" Carbon From the Martian Atmosphere
Caltech and JPL researchers identify a process involving UV light from the sun that helps explain how a moderately dense martian atmosphere 3.8 billion years ago could have evolved into the current thin one without invoking a missing carbon reservoir.
9:00 am, Tuesday, February 16
4:00 pm, Tuesday, February 16
The Genesis of General Relativity: Documented and Visualized
12:00 pm, Thursday, February 18
Orphan Train by Christina Baker Kline
10:00 am, Friday, February 19
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