energy
How Can Black Holes Shine?
We hear that black holes absorb all the light that falls into them. And yet, we hear of black holes…
Will the Universe Run Out Of Energy?
It seems like the good times will go on forever, so feel free to keep on wasting energy. But entropy…
Could the Death Star Destroy a Planet?
In the movie Star Wars, the Darth Vader's Death Star destroyed a planet. Could this really happen? You've watched Star…
How Do We Know Dark Energy Exists?
We have no idea what it dark energy is, so how are we pretty sure it exists? I've talked about…
How are Energy and Matter the Same?
As Einstein showed us, light and matter and just aspects of the same thing. Matter is just frozen light. And…
Mr. Fusion? Compact Fusion Reactor Will be Available in 5 Years Says Lockheed-Martin
The Farnsworth Fusor; Pons and Fleishmann. It seems the trail to fusion energy has long gone cold -- stone cold,…
A Fun Way of Understanding E=mc<sup>2</sup>
Many people fail to realize just how much energy there is locked up in matter. The nucleus of any atom…
Could We Harvest Energy From a Star?
Our civilization will need more power in the future. Count on it. The ways we use power today: for lighting,…
The Secret of the Stars
"Say, do you like mystery stories? Well we have one for you. The concept: relativity." Well look at that, it's…
Podcast: Energy
Our entire civilization depends on energy: getting it, converting it, burning it, and conserving it. But how do physicists think…