DoctorDraco's Channel

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Let's Apply Math: Balancing a Chemical Equation with Matrices DoctorDraco 344 views Prerequisites: How to use matrices to solve systems of equations, or solving systems of equations in general. Here we balance a chemical equation using matrices. Hooray ...
Let's Learn About Mathematical Induction! DoctorDraco 159 views Prerequisites: Summation notation/mechanics. An introduction to simple Mathematical Induction, a technique widely used in mathematics. Complete with two examples. Wowze...
Minecraft Launchpad DoctorDraco 44 views Sorry for the lag!
Rubik's Cube Optimal Solution Upper Bound Decreased! DoctorDraco 252 views A group of mathematicians, programmers, and engineers have decreased the upper bound to solving a Rubik's cube to 20 (the previous being 22). Check out their site: http:/...
Bearded Dragon Feeding Time DoctorDraco 57 views Here I feed a juvenile Bearded Dragon some crickets covered in a calcium carbonate mix.
Meffert's "China Puzzles" Review DoctorDraco 1,104 views Reviews of (in the order they appear in the video): Prism puzzle aXe puzzle Box Cube (Case Cube) Hexagon Prism Axel Cube (Axis Cube) Each of these is a 3x3 mod. S...
Meffert's Order DoctorDraco 143 views I'm sorry the audio is so low! I thought this mic would be better... Guess not! Use headphones for best result. Here are all (minus one) of the Meffert's "China Puzzles....
Proof: Derivative of Arctangent DoctorDraco 1,918 views Prerequisites: Know your trigonometry! Derivatives. I describe a simple way to derive the derivative of arctan(x) or any other trigonometric arc-function. Kinda nifty if...
Cube timing software DoctorDraco 296 views So this was a pet project of mine started back in December of 08, I worked on it for about 2 days, then had other things to do. I think I came back to it two more times, bu...
Size Comparison of... Everything. DoctorDraco 3,758 views Bet you can't guess what the largest one is.

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Created by

DoctorDraco

Latest Activity

Jan 14, 2012

Date Joined

Jul 9, 2006

About this user

Undergraduate student studying Software Engineering, Mathematics, Computer Science, and Computational Science.

My particular interests cover a large breadth in each field, so I won't bore you with the details. (I can do that when I go to grad school!)

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I used to be really into speedcubing, but lack of time due to my studies has put a stop to that. However, I still am an avid cuber, but my intentions are not to get faster. I'm starting to like odd-shaped twisty puzzles more and more.

Old Speedcubing Records:

2x2: 00:07.13 (ES)
2x2 lucky: 00:04.84 (ES)

3x3: 18.08 (actually sub-18 but I missed the button the first time)
3x3 lucky: 00:19.70 (type a)
3x3 solves normally between 25-29 seconds

4x4: 02:15.16 (never practice)
5x5: 03:04.72 (getting there; V-Cube)
6x6: 06:43.42 (never practice)
7x7: 10:38.69 (haven't timed in a while)
12x12: see the video

Megaminx: 03:58.80 (never practice)
Square-1: Slow.
2-5 Relay: 6:31.89
2-7 Relay: Probably really bad.

Country

United States

Interests

Math, Programming, Chess, Cubing, Drawing, etc.

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