binary
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Binary Secret #4
Each row of bulbs is one letter. Add up the numbers above the bulbs that are switched on.
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Binary Secret #3
Psst! This message is in binary code. Only real code-crackers can read it. That means you!
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Binary Secret #2
Computers store everything as 1s and 0s, even letters. Can you turn these bulbs back into a word?
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Binary Secret #1
Pixel found a row of blinking lights on Beep’s control panel. It’s a message written in binary!
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Bead Code Bracelets
Write a favourite word in binary using two colours of beads and make a secret code bracelet.
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Secret Codes in Binary
Find out how a computer turns letters into numbers and then into bulb patterns, and decode a secret message.
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Counting with Light Bulbs
Learn binary, the on-and-off number system that every computer uses, by switching imaginary light bulbs on and off.