Found 0 - 10 results of 31 programs matching keyword " dc power"
There are green sea turtles in San Diego Bay? Where did they come from? Do they really live over 100 years? Why is it important for scientists to keep track of these giant creatures, and how on earth do they do it? In this interview with ecologist Tomoharu Eguchi (NOAA Marine Fisheries Service) and ecology graduate student Sheila Madrak, we meet the sea turtles and explore these 'big' questions.
Ever wondered where that crust on your car battery comes from? Exploratorium staff member Chuck Mignacco explains galvanic corrosion and the basics of battery maintenance using a time-honored miracle solvent: Coke. Watch for a surprise guest at the end of the video. Join Senior Scientist Paul Doherty as he measures the power used by two lightbulbs--one incandescent and one fluorescent--that make the same amount of light. NASA's Mars Exploration Rovers, Spirit and Opportunity, have long outlived their life expectancy of three months. Join us as we sum up the rover data and explain how this information changes our view of Mars. We update on the week's exciting events on Mars and talk about what NASA has planned for future missions to the Red Planet. How do JPL scientists and engineers talk to the MERs and how do we receive those amazing pictures in return? Find out how, and get the latest updates in this webcast. With two rovers on Mars, we update you on the latest findings. This week, hear (and see!) more about a tool called Mini-TES, which helps us learn about rocks on Mars. With two rovers on Mars, we'll update you on all the latest findings. This week, learn more about the Rock Abrasion Tool (RAT). With two rovers on Mars, we'll update you on the latest findings. This week we hear about Spirit Rover's memory problems, the possibility of water on Mars, and about other missions to the Red Planet. Two rovers are set to land on Mars during NASA’s Exploration Rover mission. The second, Opportunity, should land today. We’ll review the Exploration Rover mission thus far.