December 2012
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aangot asked: Hi! Love your blog. I enjoy math, but the unfortunate thing is that Im really bad at it. Is this strange to be bad at a subject you enjoy? And what do you recommend someone does if they want to get better at math?
October 2012
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Anonymous asked: What are the 9 types of energy
August 2012
1 post
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Anonymous asked: Hi! I stumbled upon your tumblr, and I'd like to start off by saying how amazing it is, and thank you for making this tumblr! Moreon to my issue, i'm currently studying crude oil in Chemistry. Could you please help me understand"cracking" in terms of crude oil? From what I understand, 'cracking' is the CHEMICAL process of breaking down large molecules into smaller...
July 2012
2 posts
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June 2012
2 posts
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March 2012
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Happy π Day math lovers!
We here at Say It With Science would like to celebrate it with you by sharing some interesting trivia about one of our favorite physicists, Richard Feynman, and one of our favorite constants, π (pi). The Feynman Point is a sequence of six 9’s beginning at the 762nd decimal place of π, named after Nobel Prize winning physicist Richard Feynman. Feynman had memorized π to this point so that he...
January 2012
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December 2011
2 posts
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November 2011
1 post
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October 2011
6 posts
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Anonymous asked: How can I be a writer on sayitwithscience?
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∑ F = ma
… is a differential equation:
where acceleration a(t), velocity v(t), and displacement s(t) are all vectors and functions of time. This equation is second-order in position because the highest derivative is the second time derivative of position. Combined with the right boundary conditions, s(t) (also called the trajectory: path through space and time) can be determined.
This differential...
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Hello followers!
The contributors have been on a bit of a break, but we’ll be back soon with a new batch of posts. In the meantime, we’d like to get to know our readers!
What subject areas do you study/where are you in your education/what classes are you taking?
Any requests for future Say it with Science posts?
September 2011
8 posts
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Anonymous asked: Hey sayitwithscience - if I'm not mistaken, the featured post regarding the Higgs boson is a bit misleading; I would think it's too early to draw such a conclusion since the LHC isn't running at full power yet? Here's a bit of info from a quick google search: "...LHC will be shut down at end of 2011 with a view to run at full capacity in 2013" Hope you can clear this...
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galacticnucleus asked: Thank you to the contributors! This blog is AMAZING.
proto-flake-deactivated20120717 asked: Can someone please explain what I am studying when I am studying limits, delta & epsilon. I am having a really difficult time visualizing what is going on and what these things represent... Not so much with limits. I "know" what a limit is,,, but how they all tie in together & the other two specifically. If someone could help I would be ETERNALLY grateful!
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August 2011
20 posts
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Anonymous asked: The Doppler Shift formulae for sound waves are pretty easy to visualize and derive, but why can't the same principles be used for electromagnetic waves? What are the resulting formulae?
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Gabriel's Horn
Gabriel’s Horn is a three dimensional surface that contains a finite volume but has an infinite surface area. It is made by taking the two dimensional graph of y=1/x and revolving it around the x-axis (with the domain of x ≥ 1). If we look at x coordinates from 1 to a, the volume can be found by the equation: Which is really just sum of the area of each circular cross section, hence it is...
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Vedic Multiplication
(Technically called Nikhilam Navatashcaramam Dashatah) This is a quick and simple way to multiply any two numbers. It’s easiest when the numbers are both close to a power of ten, but it will always work. The first step is to chose a power of ten that the numbers are closest to. In my example I will find the product of 14 and 12. Since 12 and 14 are close to 10 I will chose 10. 14...
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nebulae12 asked: [MC integration] Don't you already have to know something about the volume of integration in order to determine if a point inside the hypercube is also in the region of integration?
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July 2011
20 posts
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