In just 100 seconds, learn how Binary Search works and why it’s one of the most efficient ways to find elements in a sorted array. From real-world analogies to clean code logic, this is a must ...

You can convert letters into binary by using two colors of beads to represent the 'ons' and 'offs.' Use the key below to create your name in binary code and even turn it into a bracelet you can wear.

That was probably how I learned about binary as well. Want to teach someone binary? Give them a persistence of vision toy, or a dot-matrix printer.