155: Interstellar visitor with Dr. Knight
Dr. Matthew Knight tells us about a discovery that excited astronomers all around the world. 'Oumuamua is the first minor planet from outside our solar system that we have found. Dr. Knight describes ...
14 Jul 201914min
154: High speed impacts with Dr. Daly
Dr. Terik Daly talks about his experiments, where things hit other things at tens of thousands of miles per hour. These experiments create pressures greater than that at the center of the Earth, and t...
30 Jun 201914min
153: Stories behind the science with Sarah Kaplan
Sarah Kaplan of the Washington Post talks about science reporting. Reporters often tackle topics that are outside their expertise. Sarah explains the methods she uses to get at the truth. She also sha...
16 Jun 201917min
152: Mysterious iron meteorites with Dr. Chabot
Dr. Nancy Chabot returns to the show to talk about iron meteorites. Iron meteorites, she explains, are cores of small planets that you can hold in your hand. She describes her laboratory experiments w...
2 Jun 201916min
151: Game-changing asteroid images with Dr. Marsset
Dr. Michael Marsset and his collaborators use the world's biggest telescopes to image asteroids. They combine those images with other data to get shapes of asteroids. These results are comparable with...
19 Mai 201917min
150: Undersea grippers and in-space assembly with Dr. Backus
Dr Spencer Backus talks about his work at NASA's Jet Propulsion Laboratory. He explains the complexities of trying to design hands for robots. An example of a robot hand is the undersea gripper he wor...
5 Mai 201922min
149: Ballooning on Venus with Dr. Izraelevitz
Dr. Jacob Izraelevitz describes how engineers might design a balloon to explore Venus. This work is in the early stages, what NASA refers to as a "Mission Concept." He also explains the challenges of ...
21 Apr 201914min
148: Solving an Apollo mystery with Dr. Curren
When taking a sample of the Moon's surface, the Apollo astronauts discovered a sharp transition from powdery soil to harder rock. This transition was entirely unexpected, and remained unexplained for ...
7 Apr 201915min
