TeachEngineering
Teach Engineering: Rotary Encoders & Human Computer Interaction
Students learn about rotary encoders and discover how they operate through hands-on experimentation. Rotary encoders are applied in tools to determine angle measurements and for translations of angular motion. One common rotary encoder...
Florida Center for Reading Research
Florida Center for Reading Research: Encoding and Decoding: Jar Sort
A lesson plan in which young scholars draw letter cards and see how many words they can make from them. Materials are included.
Florida Center for Reading Research
Florida Center for Reading Research: Encoding and Decoding: Vowel Stars
A lesson plan in which students fill in the missing letter with vowels to determine which ones form real words. Materials are included.
Florida Center for Reading Research
Florida Center for Reading Research: Encoding and Decoding: Jar Sort
A lesson plan in which students sort words according to their vowel-r combination. Materials are included.
TeachEngineering
Teach Engineering: Ding! Going Up? Elevators and Engineering
Students create model elevator carriages and calibrate them, similar to the work of design and quality control engineers. Students use measurements from rotary encoders to recreate the task of calibrating elevators for a high-rise...
Other
Unicode Home Page
The complete guide to the computer character encoding scheme known as Unicode. The site includes a description of Unicode, the development history of Unicode, and links to all of the Unicode character charts.
Google
Google for Education: Ciphering a Sentence
In this lesson, the students have a goal to map each alphabet letter to a number in the range 1-26. They use some simple rules to create this mapping and then use this mapping to encode a sentence.
TeachEngineering
Teach Engineering: Smart Move!
This is a simple activity to visualize a communication system. In order to do this the students encode, decode, transmit, receive, and store messages. They will use a code sheet and flashlight for this process. They will also maintain a...
Sophia Learning
Sophia: Encoding Information: Lesson 2
At the end of this tutorial, the learner will understand that information can be encoded in multiple ways during communication. It is 2 of 3 in the series titled "Encoding Information."
Other
Tel Aviv University: Mime
This technical article explains MIME (Multipurpose Internet Mail Extensions). MIME is a specification for enhancing the capabilities of standard Internet electronic mail. It offers a simple standardized way to represent and encode a wide...
Shodor Education Foundation
Shodor Interactivate: Caesar Cipher
Create your own affine cipher for encoding and decoding messages. Input your own constant and multiplier, then input a message to encode.
Texas Instruments
Texas Instruments: Numb3 Rs: Coded Messages
Based off of the hit television show NUMB3RS, this lesson uses matrices (inverse and multiplication) to decode messages hidden within digital pictures -- a process known as steganography. This method of hidden communication is known to...
Texas Instruments
Texas Instruments: Numb3 Rs: Breaking the Code
Based off of the hit television show NUMB3RS, this lesson introduced students to simple coding techniques (namely, the shift cipher). Students learn to translate codes from nonsense to English by quantifying each letter, and then...
Other
National Engineers Week Foundation: Hearing the Light
Students learn how laser communication systems are built by observing how sound can be encoded into, and transmitted by a light beam.
Khan Academy
Khan Academy: Simple Image Compression
Lossless single image compression by using the algorithm run-length encoding (RLE).
Wikimedia
Wikipedia: Ascii
A thorough Wikipedia description of the computer character encoding scheme known as ASCII (American Standard Code for Information Interchange).
Wikimedia
Wikipedia: Unicode
A complete Wikipedia description of the computer character encoding scheme known as Unicode.
Braingle
Braingle: Cryptography Brain Teasers
Test your critical thinking skills with a variety of cryptography brain teasers, phrases or expressions "encoded in some way." Solve the teasers provided at this site, and submit your own for others to try!
Science Buddies
Science Buddies: Image Compression vs. Image Quality: Finding the Best Tradeoff
In this project you'll learn about how digital image files are encoded, and how digital images can be compressed so that the files take up less storage space and can be transmitted more quickly. You will also measure the quality of...
Science Buddies
Science Buddies: Image Compression vs. Image Quality: Finding the Best Tradeoff
In this project you'll learn about how digital image files are encoded, and compressed. You will also measure the quality of compressed and uncompressed images, which will give you important insights into the tradeoffs between file size...
Smithsonian Institution
National Museum of the American Indian: Native Words: Code Talking
Learn how members of many Native American tribes became a vital part of America's efforts during World War I and World War II, divising codes that were never broken by the enemy. Includes examples of encoded words.
Texas Education Agency
Texas Gateway: Elements and Compounds
In this fun and engaging online lesson, students differentiate between elements and compounds on the most basic level while having fun "encoding" the Periodic Table.
National Council of Teachers of Mathematics
Nctm: Illuminations: Codes
This is a computer based program that allows students to understand basic cryptography which utilizes transformations of shifting and stretching. Students may encode their own message and see it graphically.
PBS
Pbs Nova: Send a Coded Message Virtual Enigma
Explore the NOVA's Virtual Enigma machine used during WWII. You can send an encrypted message to a friend along with the special key needed to decipher the message. A link is also included to the Virtual Enigma.
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