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…

Hello! Today I’m going to show you how to access the built-in cameras in-browser, on computers and mobile devices using Javascript. In this series, I will show you how to set up a simple HTML page that accesses the front-facing camera, runs MediaPipe Facemesh to detect facial keypoints, and then…

Hi! Not everyone can afford the $2000 for a beautiful function generator like this Agilent 33210A, but everyone deserves to have basic function generation capabilities. So, today I’m going to show you how to make a basic function generator using everyone’s favorite microcontroller: an Arduino Uno! In this post I’m…

TL;DR: Demo here. Hit the button at the top to start. I recently tried out a bunch of different Javascript accelerometer demos that claimed to access the IMU sensor in-browser. It was usually a simple demo: dots rolling across a screen due to gravity, or perspective shifting a 3D scene…

Hi, Andy here. I want to bring your attention to the depressing fact that there are really only two ways to sell software. Well, three, but hardly anybody uses the third. I am, of course, talking of subscription services (SaaS) and advertisement/data driven. Software as a Business Model Before people could write software for a…

It happened again. You didn’t notice the gloomy skies as you pulled out of your driveway to go to Home Depot, and now you’re umbrella-less and sitting in their parking lot, watching the raindrops bead up and flow down your windshield. Worse yet, their New Grill November sale has summoned…