interaction

Tag archives for interaction

How to reach the outer solar system

“Even in hindsight, I would not change one whit of the Voyager experience. Dreams and sweat carried it off. But most of all, its legacy makes us all Earth travelers among the stars.” -Charley Kohlhase In the early days of space exploration, it was quite a feat just to get up and out of Earth’s…

Ask Ethan #5: The Weak Force

“Time is a sort of river of passing events, and strong is its current; no sooner is a thing brought to sight than it is swept by and another takes its place, and this too will be swept away.” -Marcus Aurelius Every one of us does our best to come up with an accurate picture…

Get Your Galaxy in Gear!

“We don’t understand how a single star forms, yet we want to understand how 10 billion stars form.” -Carlos Frenk The Universe has been around for a long time: nearly 14 billion years, to the best of our knowledge. When it was very young, there were absolutely zero stars in it, while today, there are hundreds…

The Strong Force for Beginners

“I found I could say things with color and shapes that I couldn’t say any other way — things I had no words for.” -Georgia O’Keeffe When it comes to the Universe, it isn’t just the stuff that’s in it that’s important. It’s also how all that stuff interacts with itself and everything else. To…