I have a confession to make -- I drink a lot of coffee. I try to limit it later in the day, but once in a while I overdo it and end up wide awake late at night. Still, I can usually get to sleep in time

Recently I watched a video by CGP Grey called This Video Will Make You Angry. It reminded me of a blog post called The Toxoplasma of Rage which I had read. The basic idea is that ideas (memes, as Richard

What is it? The answer is energy. How can energy have mass? Einstein actually answered this question with his famous equation, E=mc2. Every bit of energy has an equivalent measure in mass. Faster moving

The sun produces a mind boggling amount of power. How much? The short answer to this question is that there is 5 million tons of matter being turned to energy every second in the sun. This happens from

I just can't relate to people who think undocumented workers should be referred to as illegal immigrants, that not doing so is some kind of liberal thought police thing. The choice (yes, it's a choice)

Yes. Absolutely. In fact, it’s easier than people think. But first, it has to be said that the common concept of this usually seen in science fiction is just absurd. Most people think a Dyson sphere is

Hello everyone, I'm Luke Parrish. In many ways just your average nerd. This is what I look like: I'm pretty excited about Steem, because it seems to be a gamification of monetization of content creation.

I've been a fan of Dani Eder's work ever since I found his wikibooks a couple years ago. Thought some of the folks here would find it enlightening, so here are a few links to get you started: Space Transport

I was pleasantly surprised at the high quality of Isaac Arthur's youtube channel, which has all kinds of space topics explored from a hard science, futuristic, realistic perspective. Check out Fermi Paradox