1. What is inside a golf ball & how did it get there?

  2. Tantalum: Nutmeg of the West

  3. Why a thermostat looks like it does

  4. How plasmas affect our everyday lives

  5. Copper: The Miracle Metal

  6. What is really in a landfill?

  7. Copier: A playful look at how it works

  8. A light-hearted take on matches & their importance

  9. Chairs: A seriocomical look at engineering design

  10. Concrete: A slightly tongue-in-cheek look

  11. Theo Gray demonstrates his Element iPad ap -- and "debuts" the Japanese version of the Elements song

  12. IBM Selectric Typewriter & its digital to analogue converter

  13. The Whiffletree: A mechanical digital-to-analog converter

  14. Pop Can Stay-on Tab (slow motion)

  15. Coffee Maker: Pumping water with no moving parts

  16. Black box: Inside a flight data recorder

  17. How the first transistor worked

  18. How a quartz watch works

  19. Why the other line is likely to move faster

  20. Video for soon to be released videos

  21. Light bulb filament

  22. How smoke detectors work

  23. LCD Monitor Teardown

  24. Cell Phone Design

  25. Hard drive teardown

  26. Fiber optic cables: How they work

  27. Why it takes a while to make engineerguy videos

  28. How a Smartphone Knows Up from Down (accelerometer)

  29. CCD: The heart of a digital camera (how a charge-coupled device works)

  30. EngineerGuy's New Book Eight Amazing Engineering Stories

  31. Anodizing (Or the beauty of corrosion)

  32. How a Laser Works

  33. How an atomic clock works, and its use in the global positioning system (GPS)

  34. What Keeps Nuclear Weapons from Proliferating: The hardest step in making a nuclear bomb

  35. How a Microwave Oven Works

  36. How a lead-acid battery works

  37. How Sony's Betamax lost to JVC's VHS Cassette Recorder

  38. Stories of Technological Failure: PicturePhone, Dvorak keyboard & Betamax

  39. Why the Dvorak keyboard didn't take over the world

  40. PicturePhone: How Bell Telephone lost a half billion, but nearly created the internet

  41. Coffee makers: How baseball put them in our homes

  42. Illustrated Radio Talks: Playlist introduction