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Car Batteries, Chocolate, Toothbrushes

How Do They Do It?: Season 4: Episode 13

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How Do They Do It: Season 8

Car Batteries, Chocolate, Toothbrushes

Episode Details & Credits

Science Channel | The Science Channel | SCIENCE | Air Date: August 20, 2010

Summary: How do they turn sulphuric acid and lead into 100 million car batteries? How do they turn beans into bars of chocolate? How do toothbrushes clean our teeth?

Genre(s): Documentary, Science, Educational

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Season 4 Episodes

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S4:E20. Matches, Chrome
Air Date: October 7, 2010
tbd
S4:E19. Off-roader, Western Saddles, Flour & Cakes
Air Date: October 1, 2010
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S4:E18. Underground Mine, Shotguns
Air Date: June 4, 2010

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Seasons & Episodes

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Series Overview
Season 15

tbd
- Season 15 Overview
  Air Date: August 25, 2020
Season 14

tbd
- Season 14 Overview
  Air Date: August 8, 2016
Season 13

tbd
- Season 13 Overview
  Air Date: May 7, 2015
Season 12

tbd
- Season 12 Overview
  Air Date: May 15, 2014
Season 11

tbd
- Season 11 Overview
  Air Date: September 5, 2013
Season 10

tbd
- Season 10 Overview
  Air Date: December 8, 2012
Season 9

tbd
- Season 9 Overview
  Air Date: May 17, 2012
Season 8

tbd
- Season 8 Overview
  Air Date: March 25, 2011
Season 7

tbd
- Season 7 Overview
  Air Date: June 4, 2010
Season 7

tbd
- Season 7 Overview
  Air Date: January 27, 2011
Season 6

tbd
- Season 6 Overview
  Air Date: July 16, 2009
Season 6

tbd
- Season 6 Overview
  Air Date: July 16, 2009
Season 5

tbd
- Season 5 Overview
  Air Date: October 24, 2009
Season 4

tbd
- Season 4 Overview
  Air Date: June 28, 2007
- tbd
  S4:E20. Matches, Chrome
  Air Date: October 7, 2010
- tbd
  S4:E19. Off-roader, Western Saddles, Flour & Cakes
  Air Date: October 1, 2010
- tbd
  S4:E18. Underground Mine, Shotguns
  Air Date: June 4, 2010
- tbd
  S4:E17. Super Mowers, Price of Bread, Coconut Water
  Air Date: September 17, 2010
- tbd
  S4:E16. Blaze Cops, Oaked Wine
  Air Date: September 10, 2010
- tbd
  S4:E15. Decaf Coffee, Smoked Food, Waterjets
  Air Date: September 3, 2010
- tbd
  S4:E14. Eiffel Tower, Motorcycles, Snowboards
  Air Date: August 27, 2010
- tbd
  S4:E13. Car Batteries, Chocolate, Toothbrushes
  Air Date: August 20, 2010
- tbd
  S4:E12. Sugar, Fish Farming, Speed Suits
  Air Date: August 13, 2010
- tbd
  S4:E11. Money, Shoes
  Air Date: August 5, 2010
- tbd
  S4:E10. Airplane Tires, Six Shooters, Artificial Turf
  Air Date: July 30, 2010
- tbd
  S4:E9. Crash Testing, Books, Margarine
  Air Date: July 24, 2010
- tbd
  S4:E8. Whiskey, Disaster Prevention
  Air Date: July 16, 2010
- tbd
  S4:E7. Money Movers, Big Game Fish, Bagpipes
  Air Date: July 9, 2010
- tbd
  S4:E6. Jet Engine, Weapons, Hurricanes From Space
  Air Date: April 25, 2007
- tbd
  S4:E6. Sponges, Cabbie Knowledge
  Air Date: July 2, 2010
- tbd
  S4:E5. Oil Rigs, Vw's, Black Box
  Air Date: April 25, 2007
- tbd
  S4:E5. Monument Marble, Tabasco, Umbrellas
  Air Date: June 25, 2010
- tbd
  S4:E4. Land Mines, Boats, Fireproof Clothing
  Air Date: April 18, 2007
- tbd
  S4:E4. Diggers, Thai Sauce, Willis Tower Skydeck
  Air Date: June 18, 2010
- tbd
  S4:E3. Nuclear Sub, Crash Test Dummies, Fruit And Veg
  Air Date: April 18, 2007
- tbd
  S4:E3. Fire Extinguisher, Cruise Liner
  Air Date: June 11, 2010
- tbd
  S4:E2. Rally Cars, Neon Signs, Biggest Ships
  Air Date: April 11, 2007
- tbd
  S4:E2. Peanut Butter, Breaking Points
  Air Date: June 7, 2010
- tbd
  S4:E1. Forest Fires, Car Exhaust, Telescopes
  Air Date: April 11, 2007
- tbd
  S4:E1. Irish Stout, Silk, Canned Soup
  Air Date: June 4, 2010
- tbd
  S4:E0. Fighter Jet, Moving Earth, Telescopes, Black Box, Space S...
  Air Date: September 3, 2007
- tbd
  S4:E0. Extracting Copper, Empire State Building, Nuclear Sub, Re...
  Air Date: September 4, 2007
Season 3

tbd
- Season 3 Overview
  Air Date: February 21, 2007
Season 2

tbd
- Season 2 Overview
  Air Date: December 1, 2008
Season 1

tbd
- Season 1 Overview
  Air Date: March 10, 2009