What has science done?

After finishing the Khan Academy math exercises in ~80 hours, I made a few notes regarding deliberate practice and its place in online learning media. Khan Academy (KA) focuses far more on rout work that Udacity or Coursera, with most of modules requiring one of 1-3 techniques for solving. The adaptive training plan mostly makes [...]

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§200 · September 13, 2012 · Uncategorized · (No comments) ·


Using Sparkfun’s BMP085 sensor board (SEN-09694), I put together some quick Arduino code to measure temperature-adjusted barometric pressure, store the data on an SD card using Adafruit’s data logger shield (v1.0), and then calculate altitude. This is a pretty simple project; in fact, the most difficult issue was finding a suitable formula for calculating altitude [...]

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§162 · July 31, 2012 · Uncategorized · (No comments) ·


Flight Test #1 – Short Take-Off Flight Test #2 – High Altitude and Flare Up Landing

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§192 · July 31, 2012 · Uncategorized · (No comments) ·


Materials: Where possible, I’ve tried to list an online retailer, but some of the generic items may require searching. Easy Star Electric Kit Hitec HS-65HB Micro Karbo Gear Servo (1.8kg/11g) x2 TURNIGY Plush 30amp Speed Controller (25g) S2838-2800 Brushless Inrunner (2800kv) Industrial Strength Zelcro Boyd Red Enamel Spray Paint Testors Gloss Gray (1238) Enamel Spray Paint Spinner and [...]

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As part of Udacity’s ST101, I’ve started completing the homeworks in R using RStudio. Below is the solution for homework 2.6: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 print.matrix <- function(m){ write.table(format(m, justify="right"), row.names=T, col.names=T, quote=F) } p_loaded [...]

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§9 · July 4, 2012 · R, Udacity · (No comments) ·