Leap Seconds and Earth’s Rotation
As most of you probably know, the “longest day of the year,” which should really be referred to as the “day of the year with the most sunlight,” is the summer solstice (the first day of summer,...
View ArticleThe Quantum Zeno Effect
Ok, so based on the fact that “quantum” is in the title, I’m sure your first urge is to stop reading. “Quick, Dan is going to throw some complicated physics at me….RUN!” It’s true that quantum...
View ArticleThe Crookes Radiometer, Part 1
Happy October, friends! I apologize for my lack of posts recently…graduate school has started for me, and it’s been very tough for me to find any free time. I’m going to attempt to quickly write up...
View ArticleThe Crookes Radiometer, Part II
Sorry for the extremely long delay in this post—I just finished up my first semester of graduate school, and I felt clobbered. But now I am on break, and while we take a refresher and celebrate the New...
View ArticleIs Space Cold or Hot?
Such a simple question, and yet not the simplest answer. In order to better understand this question, we must first understand the difference between heat and temperature. That’s right…they are not the...
View ArticleThe Dan Feldman Wavefunction
Greetings, everyone! During my lunch break today, I was thinking about quantum mechanics (that’s what everyone thinks about while eating, right?), and started to wonder what my wave function might look...
View ArticleThe Coolest Thing You Likely Never Learned About Hydrogen
What do you know about Hydrogen? In a very un-scientific study, I decided to find out. I posed this question to my Facebook friends: “If I ask you to tell me 1 thing you know off the top of your head...
View ArticleOzone: Nature’s Sunglasses
I think most people know about the ozone layer of our atmosphere. It’s supposedly this thin layer of atmosphere that protects us from getting sunburnt while we lay out on the beach with intentions of...
View ArticleThe Quest to Ground the Googol, Part I
What’s the biggest number you can visualize? The biggest number you know? The biggest number you can attribute to a physical phenomenon or quantity? The human mind and mathematics offer humanity really...
View ArticleThe Quest to Ground the Googol, Part II
We started this quest with a set of simple questions. What is the biggest number you can visualize? What is the biggest number you know? What is the biggest number you can attribute to a physical...
View Article
More Pages to Explore .....