Hunkins Experiments
The Secret Life of Machines
An entertaining site that communicates ideas through cartoon drawings. Discover how simple machines and gadgets operate, such as fax machines and washing machines.
A&E Television
History.com: 6 Inventions That Transformed Housework
Electric appliances large and small promised reduced drudgery. Most people take washers and refrigerators for granted today, a century ago, these machines revolutionized people's daily lives. The introduction of running water and...