Testing inventions. videoTesting inventions Fran meets inventor Yusuf Muhammad who discusses the importance of a trial with real people to find any flaws in the prototype. The importance of ...
Following is a transcript of the video. Lonnie Johnson: I'm Lonnie Johnson. I'm an inventor. The invention that most people know me for is the Super Soaker water gun. I knew the gun worked well ...
The book, called Life in the United Kingdom, has about "great British inventions of the 20th century". It says: "In the 1960s, James Goodfellow (1937-) invented the cash-dispensing automatic ...
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