Hi, I’m Andy! In this article, I’m going to show you some code optimizations that can speed up your backtesting of trading algorithms by a factor of 10+.

I recently acquired a DLP 3D printer, which uses liquid resin that cures into a solid under UV light. The resolution is much better than a traditional FDM printer, and can even enable the 3D printing of lenses. These printers deposit a layer of material at a time, using an…

Hello dear reader! Recently I found myself sending sensor data from a microcontroller to my computer via the serial port, and ran into trouble recording the data with Processing. At high data rates, new data arrives before I can finish processing the old data! In my endeavor to fix this…

Hello! Recently I’ve been losing money on the stock market. In order to stop losing money, I’ve been reading some books and articles to see if there’s any way that a savvy guy like me can get a read on the markets by just looking really hard at it. …

Exploring counterintuitive results from my n=1 study. Medical journals, successful people’s biographies, even the alt-nutrition people who eat raw liver: the one thing everyone seems to agree on is that sleeping ~7 hours a night consistently is the best thing you can do for your long-term health. …

Kings, queens, and rich people everywhere agree: rubies look great. Their clarity and red color make them wonderful, shiny jewelry pieces, and I find them beautiful. But if you’re buying one, there are many similar red, clear gemstones which are much cheaper for the seller to pawn off as ruby…

Hello! You only get to experience 1 fall a year, and by the time you read this you’re probably older than 15. This means you probably have only 65 falls left in you — remember to do your best to enjoy each one. Anyway, this particular fall I took more…

Want to build a website that uses face tracking? Well, you’re in the right place! — Today I’m going to show you how to set up a webpage that does real-time face tracking in any browser, mobile, or desktop. I’m doing everything in HTML and JavaScript to allow for cross-device portability. …

Hi! Today we’re going to be comparing the usability of various household devices (Microwave, TV remote, keyboard, etc.) against those of research devices (like eye trackers and brain-computer interfaces). Information Transfer Rate and Bits/Min To do this, we’ll be investigating each device’s information transfer rate (ITR), or how fast the user can communicate with the…