The Physics Philes, lesson 49: Show Me the (Parallel-Axis Theorem) Proof!
For the past couple of weeks I’ve been discussing moment of inertia, what it is, and how to calculate it. This week I’ll try to explain the related parallel-axis theorem. A body can have an infinite number of axes around which it can rotate. That means a body doesn’t have just one moment of inertia. But there is a relationship between the moment of inertia about an axis that runs... »
Teen Skepchick’s Reality Checks 5.20
Debate was stopped on an Afghan violence against women bill because the bill is evidently against Islam. (via Raw Story) The first Saudi reaches the top of Mt. Everest, and she’s a woman. (via Discovery News) A Florida teen’s parents allege their daughter was expelled and charged with a felony for having a lesbian relationship. (via Think Progress) The vast majority of climate scientis... »
Vocal Criticism of Religion
This is another post in my series on atheism- and this one addresses anti-theism and some of the most prominent vocal atheists in print today. The other posts on the history of atheism and cultural acceptance of atheism can be found here and here! Some atheists go beyond their own lack of belief, and are actively and vocally opposed to religion- these people are known almost interchangeably as mil... »
Awesome Sauce Music Friday! Chris Hadfield is My Space Crush Edition
Stop it. Stop being so damn awesome Chris Hadfield. I can’t take it anymore. Oh, this is Awesome Sauce Music Friday. Thanks for popping in. We won’t be seeing any more of Commander Chris Hadfield’s awesome space science videos or photos from the International Space Station. Evidently, as of May 14th, he’s once again an Earth-dweller. This week’s music post is Hadfield... »
Teen Skepchick’s Reality Checks 5.17
A new study indicates that teens in adult prisons endure a higher rate of sexual assault than adult prisoners. (via Think Progress) New fossils could pinpoint a critical point in the split between apes and monkeys. (via Science NOW) Kepler’s greatest hits. (via Wired) The American Humanist Association is threatening to sue a Missouri school district over teacher-led prayer meetings. (via Raw... »
Teen Skepchick’s Reality Checks 5.16
Hong Kong minister: don’t drink if you don’t want to get raped. (via Feministing) Water trapped for 1.5 billion years in Ontario could hold ancient life. (via NPR News) A scientist at Newcastle University has found a tetrachromat woman, or someone who can see 99 million more colors than you. (via Digital Journal) Does The New York Times talk about men and women in different contexts? A... »
