73: Earthquake early warning systems with Dr. Weiser
Dr Debbie Weiser explains the importance of building an early warning system in the US before a major earthquake hits. Even a few seconds warning is enough to stop elevators, pause surgery, and give p...
27 Nov 201628min
72: Perturbing the Earth with Dr. Weiser
Dr. Debbie Weiser talks about human-made earthquakes on my favorite planet, Earth. She explains how seismologists try to distinguish between natural earthquakes and those caused by human activity, and...
20 Nov 201621min
71: Rovers on an asteroid with Dr. Takir
Dr. Driss Takir stops by the show. He explains how he looks for water that's molecularly bound up in the rocks on asteroids. He also tells us about the Hayabusa-2 mission, which will put rovers on the...
13 Nov 20169min
70: Every crater tells a story with Dr. Scully
Dr Jennifer Scully talks about the geology of Ceres and Vesta, two large asteroids in the main belt that have been visited by NASA's DAWN mission. She's talks about the experience of getting to know e...
6 Nov 201615min
69: Pinging passing asteroids with Dr. Naidu
Dr. Shantanu Naidu tells us about planetary radar. Using large telescopes in California and Puerto Rico, he bounces radio waves off of asteroids and "listens" for the return signal. With this techniqu...
30 Okt 201611min
68: Building a new instrument with Dr Hosseini
Dr. Sona Hosseini talks about spectroscopy, a technique that allows scientists to determine what celestial bodies are made of. She's developing new spectrometer that will allow her to look at an entir...
23 Okt 201615min
67: The most ambitious measurement ever made, with Dr. Reitze (Part 2)
Dr. Dave Reitze, the Executive Director of LIGO, talks about how each source of noise at LIGO must be meticulously accounted for— from wolves howling, to tidal flexing of the Earth's surface, to the ...
16 Okt 201622min
66: The most ambitious measurement ever made, with Dr. Reitze (Part 1)
Dr. Dave Reitze, the Executive Director of the Laser Interferometer Gravitational-wave Observatory (LIGO) talks about the extraordinary detection of gravitational waves earlier this year, and the inc...
9 Okt 201615min
