The famous quote by Newton:
"If I have seen further it is by standing on the shoulders of giants"
was a dig at his enemy Robert Hooke. Hooke was known to be a very short man, what Newton was saying was he owned Hooke nothing.
Hi, I need a large set of data points from an accurate HR diagram. I will be performing some main-sequence fitting to measure the distance to an open cluster as part of a project.
I talked to my professor and he said trying using the Hipparchus data, but I haven't been able to find it online...
Saturn has less mass than Jupiter.
And yes I believe it's due to its proximity to the Sun, and the lower amount of energy it receives to fuel convection currents and all the good stuff that goes into making weather.
Generally because water molecules are polar. The ionic attraction between the polarized water molecules and the dissolved atoms are stronger than the bonds in the original molecules.
Sorry this is a really basic question but I'm studying for a chemistry exam which spans about 4-5 chapters and I don't have time to spend re-reading them all trying to find out one little question...
Here is an example:
[PLAIN]http://img221.imageshack.us/img221/91/chemistryq.png
I...
I believe the purpose of the thin slit is to produce light which is coherent. As far as producing a spectrum with a prism is concerned, I don't think the width of the beam of light makes much of a difference, but the coherence is important.
I may be wrong the second point though.
Update: I realized I could just use a CD to produce a spectrum. I shined the laser at the bottle again, and then I also used a red notebook as a control.
Here is the result:
Bottle:
Notebook:
So yup it looks like the bottle is emitting yellow/red light when the green light is...
No. I have shined it at other red surfaces and it appears green. According to your theory, every non-white surface would look different.
Plus it has nothing to do with the camera, I told you it's much more pronounced by eye.
so I was playing with my 532 nm (green) laser pointer when I noticed something strange. You can shine it at virtually any surface it will appear as a bright green dot - nothing unexpected there. However by chance, I noticed that when I pointed it at this red bottle of laundry detergent i have...
mainly because there is a lot of reflected light from nearby objects, which partially illuminates the dark region.
if however you were to remove all reflecting surfaces you still would not get a perfectly crisp edge due to diffraction, which is simply a consequence of the wave-like nature of...
i had no idea people made the distinction between the two.
I guess there must also be southern american english, New Yorker english, midwestern american english, and so on...
seems ridiculous to me.