Online courses directory (381)

Reenact the discovery of electromagnetism. The Magic of Discovery. Discovery of Magnetism. Discovery of Magnetic Fields. Electromagnet.

1. Bit-zee. 2. Bit-zee (long version). 3. Bit-zee Bot Introduction. 4. Bit-zee planning and propulsion. 5. Bit-zee's bits. 6. Bit-zee's chassis/frame. 7. Bit-zee's wheel mounts and fenders. 8. Bit-zee's component mounting holes. 9. Bit-zee's batteries. 10. Improving the battery wires. 11. Connecting Bit-zee's power wires and on-off switch. 12. Bit-zee's motors. 13. Why does Bit-zee need a motor controller?. 14. Bit-zee's motor controller. 15. Attaching and wiring Bit-zee's motor controller. 16. Attaching Bit-zee's Arduino. 17. How to hotwire a digital camera. 18. Attaching Bit-zee's digital camera. 19. Bit zee's 5 Volt power distribution board. 20. Hacking and attaching a digital recorder/player to Bit-zee. 21. Making a power connector for the Arduino. 22. Attaching Bit-zee's prototype board. 23. Connecting the motor controller to the Arduino. 24. Connecting Bit-zee's camera to the Arduino. 25. Bit-zee's bumper switches. 26. Bit-zee's eyes. 27. Bit-zee's IR sensor. 28. Bit-zee's shell. 29. Camera wiring update.

This topic focuses on how to design and create products that solve real problems and bring academic content to life. Ping pong ball launcher introduction. Build a ping pong ball launcher . Update and modify your ping pong ball launcher.

This topic focuses on how to design and create products that solve real problems and bring academic content to life. Ping pong ball launcher introduction. Build a ping pong ball launcher . Update and modify your ping pong ball launcher.

Ping pong ball launcher introduction. Build a ping pong ball launcher . Update and modify your ping pong ball launcher. Ping pong ball launcher introduction. Build a ping pong ball launcher . Update and modify your ping pong ball launcher.

Videos exploring the way things work. These videos have recently been updated to include 1080p HD versions. What is inside an alarm clock radio?. What is inside a hair dryer? (1 of 2). What is inside a hair dryer? (2 of 2). What is inside a digital camera? (1 of 2). What is inside a digital camera? (2 of 2). What is inside a coffee maker?. What is inside a DVD player? (1 of 5). What is inside a DVD player? (2 of 5). What is inside a DVD player? (3 of 5). What is inside a DVD player? (4 of 5). What is inside a DVD player? (5 of 5). What is inside a universal remote control?. What is inside a tap light?.

Videos exploring the way things work. What is inside an alarm clock radio?. What is inside a coffee maker?. What is inside a tap light?. What is inside a hair dryer? (1 of 2). What is inside a hair dryer? (2 of 2). Compare the hair dryer motor to the one you can build. What is inside a DVD player? (1 of 5). What is inside a DVD player? (2 of 5). What is inside a DVD player? (3 of 5). What is inside a DVD player? (4 of 5). What is inside a DVD player? (5 of 5). What is inside a universal remote control?. What is inside a digital camera? (1 of 2). What is inside a digital camera? (2 of 2). What is inside an alarm clock radio?. What is inside a coffee maker?. What is inside a tap light?. What is inside a hair dryer? (1 of 2). What is inside a hair dryer? (2 of 2). Compare the hair dryer motor to the one you can build. What is inside a DVD player? (1 of 5). What is inside a DVD player? (2 of 5). What is inside a DVD player? (3 of 5). What is inside a DVD player? (4 of 5). What is inside a DVD player? (5 of 5). What is inside a universal remote control?. What is inside a digital camera? (1 of 2). What is inside a digital camera? (2 of 2).

Start your own robotics project with Spout, Spider, and Bit-zee!. 3rd graders build robots at Santa Rita Elementary School. See inside Spout's motors and switches. Spout 1. Spout 2. Spout 3. Spout 4. Spout 5. Spout 6. Spout 7. Spout 8. Spout 9. Spout 10. Spout 11. 6th graders learn to build a Spider robot. Parts list for Spider. 1 Spider parts and tools. 2 Hacking Spider's click n' stick. 3 Creating the battery and motor mounts for Spider. 4 Attach Spider's click n' stick base to the batteries and thread his wires. 5 Attach Spider's motor controller and wire his motors. 6 Connect Spider's power switch and run the power wires to the motor controller. 7 Attach and adjust the Spider's bezel. 8 Attach Spider's wheels. 9 Make the connnectors for Spider's Arduino Nano. 10 Spider Connect the power and signal wires from the motor controller to the Arduino. 11 Attach Spider's LED eyes. 12 Connect Spider's stablizer bar. 13 Spider's Romance. 14 Teaching Spider to dance. 15 Ben Eater's Spider Bot. 1. Bit-zee. 2. Bit-zee (long version). 3. Bit-zee Bot Introduction. 4. Bit-zee planning and propulsion. 5. Bit-zee's bits. 6. Bit-zee's chassis/frame. 7. Bit-zee's wheel mounts and fenders. 8. Bit-zee's component mounting holes. 9. Bit-zee's batteries. 10. Improving the battery wires. 11. Connecting Bit-zee's power wires and on-off switch. 12. Bit-zee's motors. 13. Why does Bit-zee need a motor controller?. 14. Bit-zee's motor controller. 15. Attaching and wiring Bit-zee's motor controller. 16. Attaching Bit-zee's Arduino. 17. How to hotwire a digital camera. 18. Attaching Bit-zee's digital camera. 19. Bit zee's 5 Volt power distribution board. 20. Hacking and attaching a digital recorder/player to Bit-zee. 21. Making a power connector for the Arduino. 22. Attaching Bit-zee's prototype board. 23. Connecting the motor controller to the Arduino. 24. Connecting Bit-zee's camera to the Arduino. 25. Bit-zee's bumper switches. 26. Bit-zee's eyes. 27. Bit-zee's IR sensor. 28. Bit-zee's shell. 29. Camera wiring update. 30. Load the Code for It-zee and Bit-zee. 1 Spout Introduction. 2 Attach Spout's lever switches and motors. 3 Attach Spout's wires and connectors. 4 Attach Spout's sliding switches and resistors. 5 Connect Spout's antenna. 6 Attach Spout's LED eyes. See inside Spout's motors and switches. 3rd graders build robots at Santa Rita Elementary School. See inside Spout's motors and switches. Spout 1. Spout 2. Spout 3. Spout 4. Spout 5. Spout 6. Spout 7. Spout 8. Spout 9. Spout 10. Spout 11. 6th graders learn to build a Spider robot. Parts list for Spider. 1 Spider parts and tools. 2 Hacking Spider's click n' stick. 3 Creating the battery and motor mounts for Spider. 4 Attach Spider's click n' stick base to the batteries and thread his wires. 5 Attach Spider's motor controller and wire his motors. 6 Connect Spider's power switch and run the power wires to the motor controller. 7 Attach and adjust the Spider's bezel. 8 Attach Spider's wheels. 9 Make the connnectors for Spider's Arduino Nano. 10 Spider Connect the power and signal wires from the motor controller to the Arduino. 11 Attach Spider's LED eyes. 12 Connect Spider's stablizer bar. 13 Spider's Romance. 14 Teaching Spider to dance. 15 Ben Eater's Spider Bot. 1. Bit-zee. 2. Bit-zee (long version). 3. Bit-zee Bot Introduction. 4. Bit-zee planning and propulsion. 5. Bit-zee's bits. 6. Bit-zee's chassis/frame. 7. Bit-zee's wheel mounts and fenders. 8. Bit-zee's component mounting holes. 9. Bit-zee's batteries. 10. Improving the battery wires. 11. Connecting Bit-zee's power wires and on-off switch. 12. Bit-zee's motors. 13. Why does Bit-zee need a motor controller?. 14. Bit-zee's motor controller. 15. Attaching and wiring Bit-zee's motor controller. 16. Attaching Bit-zee's Arduino. 17. How to hotwire a digital camera. 18. Attaching Bit-zee's digital camera. 19. Bit zee's 5 Volt power distribution board. 20. Hacking and attaching a digital recorder/player to Bit-zee. 21. Making a power connector for the Arduino. 22. Attaching Bit-zee's prototype board. 23. Connecting the motor controller to the Arduino. 24. Connecting Bit-zee's camera to the Arduino. 25. Bit-zee's bumper switches. 26. Bit-zee's eyes. 27. Bit-zee's IR sensor. 28. Bit-zee's shell. 29. Camera wiring update. 30. Load the Code for It-zee and Bit-zee. 1 Spout Introduction. 2 Attach Spout's lever switches and motors. 3 Attach Spout's wires and connectors. 4 Attach Spout's sliding switches and resistors. 5 Connect Spout's antenna. 6 Attach Spout's LED eyes. See inside Spout's motors and switches.

18. Attaching Bit-zee's digital camera.

1 Spout Introduction. 2 Attach Spout's lever switches and motors. 3 Attach Spout's wires and connectors. 4 Attach Spout's sliding switches and resistors. 5 Connect Spout's antenna. 6 Attach Spout's LED eyes. 7 See inside Spout's motors and switches.

Thermo Can.

Thermo Can.

Thermo Can. Thermo Can.

Introduction to programming and computer science. Introduction to Programs Data Types and Variables. Binary Numbers. Python Lists. For Loops in Python. While Loops in Python. Fun with Strings. Writing a Simple Factorial Program. (Python 2). Stepping Through the Factorial Program. Flowchart for the Factorial Program. Python 3 Not Backwards Compatible with Python 2. Defining a Factorial Function. Diagramming What Happens with a Function Call. Recursive Factorial Function. Comparing Iterative and Recursive Factorial Functions. Exercise - Write a Fibonacci Function. Iterative Fibonacci Function Example. Stepping Through Iterative Fibonacci Function. Recursive Fibonacci Example. Stepping Through Recursive Fibonacci Function. Exercise - Write a Sorting Function. Insertion Sort Algorithm. Insertion Sort in Python. Stepping Through Insertion Sort Function. Simpler Insertion Sort Function. Introduction to Programs Data Types and Variables. Binary Numbers. Python Lists. For Loops in Python. While Loops in Python. Fun with Strings. Writing a Simple Factorial Program. (Python 2). Stepping Through the Factorial Program. Flowchart for the Factorial Program. Python 3 Not Backwards Compatible with Python 2. Defining a Factorial Function. Diagramming What Happens with a Function Call. Recursive Factorial Function. Comparing Iterative and Recursive Factorial Functions. Exercise - Write a Fibonacci Function. Iterative Fibonacci Function Example. Stepping Through Iterative Fibonacci Function. Recursive Fibonacci Example. Stepping Through Recursive Fibonacci Function. Exercise - Write a Sorting Function. Insertion Sort Algorithm. Insertion Sort in Python. Stepping Through Insertion Sort Function. Simpler Insertion Sort Function.

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!. Liar Truth-teller Brain Teaser. Toggler Brain Teaser. Alien Abduction Brain Teaser. Blue Forehead Room Brain Teaser. Blue Forehead Room Solution. Forehead Numbers Brain Teaser. Light Bulb Switching Brain Teaser. Path Counting Brain Teaser. 3-D Path Counting Brain Teaser. Liar Truth-teller Brain Teaser. Toggler Brain Teaser. Alien Abduction Brain Teaser. Blue Forehead Room Brain Teaser. Blue Forehead Room Solution. Forehead Numbers Brain Teaser. Light Bulb Switching Brain Teaser. Path Counting Brain Teaser. 3-D Path Counting Brain Teaser.

Recreational mathematics and inspirational videos by resident mathemusician Vi Hart. Doodling in Math: Spirals, Fibonacci, and Being a Plant [1 of 3]. Doodling in Math: Spirals, Fibonacci, and Being a Plant [2 of 3]. Doodling in Math: Spirals, Fibonacci, and Being a Plant [Part 3 of 3]. Open Letter to Nickelodeon, Re: SpongeBob's Pineapple under the Sea. Angle-a-trons. Doodling in Math: Infinity Elephants. Doodling in Math: Stars. Doodling in Math: Binary Trees. Doodling in Math: Sick Number Games. Doodling in Math: Squiggle Inception. Doodling in Math: Connecting Dots. Doodling in Math: Triangle Party. Doodling in Math: Snakes + Graphs. Hexaflexagons. Hexaflexagons 2. Hexaflexagon Safety Guide. Flex Mex. A Song About A Circle Constant. Pi Is (still) Wrong.. Rhapsody on the Proof of Pi = 4. Are Shakespeare's Plays Encoded within Pi?. Doodle Music. Binary Hand Dance. What is up with Noises? (The Science and Mathematics of Sound, Frequency, and Pitch). Folding Space-Time. Math Improv: Fruit by the Foot. Mobius Story: Wind and Mr. Ug. Green Bean Matherole. Borromean Onion Rings. Optimal Potatoes. Thanksgiving Turduckenen-duckenen. What was up with Pythagoras?. Origami Proof of the Pythagorean Theorem. 9.999... reasons that .999... = 1. Wau: The Most Amazing, Ancient, and Singular Number. Dialogue for 2. Fractal Fractions. How To Snakes. Re: Visual Multiplication and 48/2(9+3). The Gauss Christmath Special. Snowflakes, Starflakes, and Swirlflakes. Sphereflakes. Reel. Doodling in Math: Spirals, Fibonacci, and Being a Plant [1 of 3]. Doodling in Math: Spirals, Fibonacci, and Being a Plant [2 of 3]. Doodling in Math: Spirals, Fibonacci, and Being a Plant [Part 3 of 3]. Open Letter to Nickelodeon, Re: SpongeBob's Pineapple under the Sea. Angle-a-trons. Doodling in Math: Infinity Elephants. Doodling in Math: Stars. Doodling in Math: Binary Trees. Doodling in Math: Sick Number Games. Doodling in Math: Squiggle Inception. Doodling in Math: Connecting Dots. Doodling in Math: Triangle Party. Doodling in Math: Snakes + Graphs. Hexaflexagons. Hexaflexagons 2. Hexaflexagon Safety Guide. Flex Mex. A Song About A Circle Constant. Pi Is (still) Wrong.. Rhapsody on the Proof of Pi = 4. Are Shakespeare's Plays Encoded within Pi?. Doodle Music. Binary Hand Dance. What is up with Noises? (The Science and Mathematics of Sound, Frequency, and Pitch). Folding Space-Time. Math Improv: Fruit by the Foot. Mobius Story: Wind and Mr. Ug. Green Bean Matherole. Borromean Onion Rings. Optimal Potatoes. Thanksgiving Turduckenen-duckenen. What was up with Pythagoras?. Origami Proof of the Pythagorean Theorem. 9.999... reasons that .999... = 1. Wau: The Most Amazing, Ancient, and Singular Number. Dialogue for 2. Fractal Fractions. How To Snakes. Re: Visual Multiplication and 48/2(9+3). The Gauss Christmath Special. Snowflakes, Starflakes, and Swirlflakes. Sphereflakes. Reel.

What is inside a digital camera? (1 of 2). What is inside a digital camera? (2 of 2).

What is inside a DVD player? (1 of 5). What is inside a DVD player? (2 of 5). What is inside a DVD player? (3 of 5). What is inside a DVD player? (4 of 5). What is inside a DVD player? (5 of 5). What is inside a universal remote control?.

What is inside a hair dryer? (1 of 2). What is inside a hair dryer? (2 of 2). Compare the hair dryer motor to the one you can build.

What is inside an alarm clock radio?. What is inside a coffee maker?. What is inside a tap light?.