energy

Could We Harvest Energy From a Star?

by Fraser Cain February 3, 2014

Our civilization will need more power in the future. Count on it. The ways we use power today: for lighting, transportation, food distribution and even entertainment would have sounded hilarious and far fetched to our ancestors. Fraser Cain on Google+

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The Secret of the Stars

by Jason Major February 27, 2013

“Say, do you like mystery stories? Well we have one for you. The concept: relativity.” Well look at that, it’s a new video from John D. Boswell — aka melodysheep — which goes into autotuned detail about one of the standard principles of astrophysics, Einstein’s theory of general relativity. Featuring clips from Michio Kaku, Brian […]

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Podcast: Energy

by Nancy Atkinson July 10, 2012

Our entire civilization depends on energy: getting it, converting it, burning it, and conserving it. But how do physicists think about energy? How do they measure and quantify it. And what is energy’s special relationship with mass? Click here to download the episode. Or subscribe to: astronomycast.com/podcast.xml with your podcatching software. “Energy” on the Astronomy […]

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A Balanced Budget on Titan

by Jason Major January 3, 2012

It’s been said many times that the most Earthlike world in our solar system is not a planet at all, but rather Saturn’s moon Titan. At first it may not seem obvious why; being only a bit larger than the planet Mercury and coated in a thick opaque atmosphere containing methane and hydrocarbons, Titan sure […]

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First Law of Thermodynamics

by Matt Williams October 20, 2010

Ever wonder how heat really works? Well, not too long ago, scientists, looking to make their steam engines more efficient, sought to do just that. Their efforts to understand the interrelationship between energy conversion, heat and mechanical work (and subsequently the larger variables of temperature, volume and pressure) came to be known as thermodynamics, taken […]

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