Hot Definition and 560 Threads

Another "new" release from NASA. Just click to join and you'll get these every day. So, I won't post these anymore. This subject has been discussed here on PF before, but this release should answer some of the questions asked...

Hypothetical experiment: I have a single 2-inch by 2-inch by 1-inch thick Neodymium magnet affixed on the outer rim of a 1-foot diameter circular hard plastic disk(1/8th-inch). The disk and magnet are held stationary by whatever means. The underside of the plastic disk has a coating, an...

Who can tell me some typical topics in Condensed Matter Physics nowadays?[?]

Hello all, It's time for a little experiment. As part of my constant quest to stimulate discussion and bring more technical content to physicsforums.com, I am going to occassionally provide links to posts from the usenet newsgroup sci.physics.research, which is a moderated internet-based...

http://www.sptimes.com/2003/10/05/Tampabay/Hot_Psychology.shtml

Ok, had a disscussion other night with my sisters. we were watching aladdin, i called aladdin hot. My younger sister agrees, adding that the prince from the little mermaid was hot too. My older sister disagrees with me, but agrees on the prince, also stating that undoubtedly, dimitri from...

i have heard that there exists an anomaly in amount of neutrinos coming from sun. are there any explanations around? how is the presence of Jupiter sized planets near stars have been explained?

It's a question that boggles the mind. If you answer yes, than God could not eat that burrito, meaning he is not all powerfull. If you give a negative response, you are limiting God's power by saying that he can't make that burrito. Either way you end up with counterevidence to God's existence...

why is the core of our Earth so hot? what causes it to be so? and why some other stars and planets like neptune/uranus (i forgot) does no have such a hot core? and what purpose does the molten core of our Earth serve?

Is ethidium bromide volatile in hot agarose solution? Some people add ethidium bromide to melted agarose solution, or reuse agarose containing ethidium bromide by melting it. If EtBr is heat-volatile, then it may pose danger to these persons. I always feel uncomfortable when remelting gels and...