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 Cast website.
And the podcast is also available as a video, as Fraser and Pamela now record Astronomy Cast as part of a Google+ Hangout:
Astronomers have just found one of the youngest planets ever. At only 3 million years…
Mars formed 4.5 billion years ago, roughly the same time as the Earth. We know…
Dark matter made out of axions may have the power to make space-time ring like…
Most of the time the Sun is pretty well-mannered, but occasionally it's downright unruly. It…
One mystery in planetary science is a satisfying origin story for Mars's moons, Phobos and…
The largest magnetic fields in the universe may have found themselves charged up when the…